NOCO GeniusPro50 50-Amp Fully Automatic Professional Smart Battery Charger
NOCO GeniusPro50 is a large, heavy, and expensive, fully automatic, smart, and rather versatile battery charger, intended for charging a long list of batteries at 6V, 12V, and 24V with the currents of 25 and 50 Amps, voltage-dependent. Also, it features 10 Amps charging mode.
Additionally, NOCO GeniusPro50 comes with many other features and can be used as a power supply, battery desulfator, for recovering deeply discharged batteries, etc.
With the introduction of larger and larger lead-acid and especially lithium batteries, NOCO GeniusPro50 has become a more common battery charger, often used for charging large trolling motors, off-the-grid battery banks, RV batteries, etc.
Published: May 17, 2022.
How Long Does It Take to Charge a Car Battery?
Regardless of the car battery type or brand, from time to time it may become necessary to recharge the car battery using the battery charger. Was the battery discharged due to the parasite load, multimedia devices, or for some other reason, this is not the topic of this article.
However, if that happens several times over a short period of time, check the alternator and the rest of the electric system of your car.
Updated: May 17, 2022.
Can a Bad Alternator Ruin a Battery
Alternators and batteries are vital parts of cars, boats, RVs, and other electric systems, and issues with one component may cause additional issues with other components of such systems.
Since the battery charge level in such systems depends on the proper operation of the alternator and its charge controller, people wonder if a bad alternator can ruin a battery.
Published: May 13, 2022.
Optima Batteries D27M BlueTop and D27F YellowTop Starting and Deep Cycle Batteries
Optima Batteries D27M BlueTop and D27F YellowTop Starting and Deep Cycle Batteries are versatile, dual-purpose marine and automotive batteries. Optima Batteries D27M BlueTop and D27F YellowTop are AGM (Absorbent Glass Mat) SLA (Sealed Lead Acid) batteries, with the spiral wound lead plates, offering good vibration resistance, extended life, low maintenance, and faster recharging.
Optima Batteries D27M BlueTop and D27F YellowTop are completely spill-proof 12V AGM batteries, mountable in virtually any position.
Updated: May 13, 2022.
Weize TPLI-12200AH 12V 200Ah Deep Cycle Lithium Battery
Weize TPLI-12200AH battery is a lightweight lithium deep cycle battery intended for off-the-grid applications, as an inverter battery, as a trolling motor battery, as an RV house battery, and similar.
Weize TPLI-12200AH battery accepts charge rather fast, supports a relatively strong discharge current (but could be better), and comes with the built-in BMS that protects the battery from unwanted events like overcharge, over-discharge, low and high temperature, etc.
Published: May 11, 2022.
YTZ10S Battery Equivalents and Replacements
YTZ10S batteries are starting type of batteries typically used in motorcycles, ATVs, snowmobiles, power generators, and similar applications that require compact 12V battery that is able to crank smaller gas and even diesel engines.
Most YTZ10S batteries are sealed lead-acid batteries, but with the advancements in technology, more and more manufacturers offer lithium YTZ10S batteries with higher CCA ratings, lower weight, and a few more features that are not available on lead-acid batteries.
Published: May 7, 2022.
30 Amp Wire Size: What Wire Size Is Needed For A 30 Amp Breaker
Properly dimensioning wires for 30 Amps currents is vital when powering high-power tools, appliances, and devices, but also 30 Amps RVs, and similar loads.
Properly calculated wires transfer power without excess energy losses and without heating too much. Having thicker wires can help, but it is not always feasible to just put very thick wires and to hope for the best.
Published: May 6, 2022.
14 Gauge Wire Amps: How Thick is 14 Gauge Wire?
14 Gauge Wires are commonly used for powering devices that don't require too strong currents. Also, 14 gauge wires are sometimes used for wall power outlets but their Ampacity or current load carrying ability tells us that they should generally not be used for such purpose.
But, for many other applications, 14 gauge wires are the ideal thickness, due to their combination of thickness, price, and Ampacity.
Published: May 6, 2022.
12V 12Ah Lead-Acid and Lithium Rechargeable Batteries
12V 12Ah lead-acid and lithium batteries are highly popular deep-cycle rechargeable batteries often used for powering UPS devices, security systems, medical equipment, toys, scooters, and other smaller electric vehicles, fish finders, and similar.
12V 12Ah batteries are relatively compact devices and with the introduction of Lithium Iron Phosphate (LiFePO4) batteries, very lightweight batteries that support a large number of charging/discharging cycles. But, Sealed Lead-Acid (SLA) 12V 12Ah batteries are still in demand due to their certain advantages over lithium counterparts.
Published: May 5, 2022.
CR2020/BR2020/VL2020 Battery Replacements and Equivalents
CR2020/BR2020/VL2020 are lithium coin-cell batteries with nominal 3.0 voltage. They come in several versions: CR2020 is a manganese-dioxide lithium non-rechargeable battery, BR2020 is Carbon-monofluoride lithium non-rechargeable battery and VL2020 is a lithium rechargeable battery.
Depending on the exact chemistry, CR2020/BR2020/VL2020 are used in various applications requiring different battery features and characteristics.
Updated: May 3, 2022.
CR2412/BR2412 3V Lithium Non-Rechargeable Batteries Equivalents and Replacements
CR2412/BR2412 are not the most common button/cell type 3V lithium non-rechargeable batteries on the market, but due to their dimensions, they are often used in small card-like devices, watches, car keys, memory backup, various medical meters, and similar.
And as such, when the original battery needs replacement, it is very important to find the proper one.
Updated: May 3, 2022.
26650 Battery - Dimensions, Chargers, and Flashlights
Lithium-ion 26650 batteries are a common choice for high drain devices that also require large-capacity batteries, low self-discharge rate, and a large number of charging and discharging cycles. Lithium-ion 26650 rechargeable batteries are very similar to 18650 batteries, but they have ~2x larger volume and hence larger capacity/larger drain currents.
The most important features of 26650 rechargeable batteries are their native capacity, maximum pulse current, continuous drain current, maximum allowed charging current, protective electronics available, exact chemistry, and similar.
Updated: May 3, 2022.
10 Gauge Wire: How Many Amps Can 10 Gauge Wire Handle?
10 gauge wire is a very popular wire thickness, very often used for speakers, extension cords, home wiring, and other electric systems where wires able to handle 20-30 Amps are required.
However, actual current carrying ability (Ampacity) also depends on the wire length, maximum wire surface temperature, and similar.
Published: May 2, 2022.
60 Amp Wire Size - How to Calculate Proper Wire Gauge
60 Amps is a serious current, regardless if it is used to power 12V or 24V electric trolling motors or it is used in 120/230V electric systems to power homes, RVs, workshops, and similar.
When calculating proper wire thickness, there are a few important things to consider. But, whatever You do, safety first. And don't go cheap - going cheap with such currents can easily sooner or later backfire.
Published: May 2, 2022.
Generac 7127 iQ3500-3500 Watt Portable Inverter Generator
Generac 7127 iQ3500 is a very popular and ultra-quiet gasoline-powered inverter power generator suitable for camping, tailgating, in emergencies and blackouts, and similar situations.
Thanks to its advanced inverter technology and closed-frame construction, the Generac iQ3500 power generator features very low THD levels making it suitable for powering directly various sensitive devices even in residential areas. But, just like any other power generator, Generac iQ3500 must be used outside.
Published: April 29, 2022.
Which Are Better Silver-Oxide or Alkaline Batteries?
Silver-oxide and alkaline button/coin cells feature exactly the same dimensions and very similar nominal voltage, but they differ in capacity, self-discharge rate, operating temperature range, etc.
Many devices powered by button/coin cells come with alkaline batteries and many people wonder if they can be replaced with silver-oxide batteries...
Published: April 29, 2022.
What Will a 3000 Watt Generator Run?
3000 Watt power generators are a very popular category for homeowners, campers, outdoor enthusiasts, and similar people who want a relatively compact power generator that is able to power a relatively long list of home appliances and devices in emergencies, during blackouts, at construction sites, when camping and being generally off-the-grid.
3000 Watt power generators differ slightly in output power but can differ significantly in other features like fuel types, noise levels, start types, the list of available receptacles, and similar, so one has to choose according to the personal needs and requirements.
Published: April 27, 2022.
Imazing IM29 Portable Car Jump Starter
Imazing IM29 Portable Car Jump Starter is designed as a compact, lightweight, but also rather powerful portable car jump starter based on the built-in lithium-ion battery and control electronics that increase the safety significantly.
Imazing IM29 Portable Car Jump Starter is also a rather versatile unit since it can be used as a power bank and a flashlight, which can be very helpful in many situations.
Published: April 27, 2022.
BCI Group 96R Batteries - Dimensions, Features, and Recommendations
BCI Group 96R Batteries are almost exclusively used as starting batteries in cars and other similar applications where affordable and reliable starting battery that can provide 500-600 CCA is required.
As such, most BCI group 96R batteries are wet/flooded lead-acid batteries with only a very few AGM, Gel-Cell, or lithium batteries being present on the market. If such batteries are required, one must look for AGM, Gel-Cell, and/or lithium batteries of similarly sized BCI groups, taking into account battery size, capacity, terminal types, terminal orientation, hold-down type/shape, etc.
Published: April 26, 2022.
J-Cell Battery Equivalents and Replacements
J-cell batteries are flat, non-rechargeable, 6V batteries intended for a broad range of devices that require a reliable power source that has to be flat and can be inserted only one way into the battery compartment.
J-cell batteries are not the most common batteries on the market, but they can be found at online stores rather easily.
Nonetheless, some people use special J-cell battery adapters that can hold four AAAA batteries connected in series allowing them to replace J-cell batteries with four AAAA batteries.
Published: April 23, 2022.
Nitecore TINI 2 500 Lumen USB-C Rechargeable Keychain Flashlight
Nitecore TINI 2 is a versatile and rather advanced EDC/keychain LED flashlight with very high output, considering the size and weight.
Nitecore TINI 2 comes with a pair of strong and energy-efficient LEDs, low self-discharge built-in battery, OLED display, two control buttons, and a few more features not commonly found on such small flashlights.
Published: April 13, 2022.
Ampere Time 12V 400Ah Deep Cycle LiFePO4 Battery
Ampere Time 12V 400Ah Deep Cycle LiFePO4 Battery is a large, but surprisingly lightweight deep cycle battery based on the tried and tested Lithium Iron Phosphate chemistry and intended for various applications that require a battery that supports a large number of charging/discharging cycles, has good energy efficiency, can provide plenty of Amps, feature low self-discharge rate, accepts charge well, etc.
One of the very important features is that the Ampere Time 12V 400Ah battery supports connecting in both parallel and series with the largest configuration of 4S4P - that is a battery pack of 51.2V and 1600 Ah. And that is a lot of energy ...
Published: April 13, 2022.
Solar Panel Size: How To Calculate Solar Panel, Battery, and Inverter
Solar panels, solar batteries, charge controller, and inverter must be properly dimensioned in order to provide the user with enough power and energy when required, regardless if the system is used only in emergencies or blackouts, or as an off-the-grid power system.
When calculating the performances of the power inverter, solar battery, and solar panels, some assumptions must be taken regarding the efficiency of solar panels, required energy, average and peak power, and similar. However, one also must be aware that over-dimensioning certain components can increase their price significantly.
Published: April 11, 2022.
Best Lead-Acid and Lithium 1 kWh Solar, Marine, Automotive, and Light Industrial Batteries
Lead-acid and lithium 12V batteries with a nominal capacity of 85-100+ Ah are able to store plenty of energy and deliver at least 1000 kWh of energy when discharged under certain conditions.
Unlike lithium batteries, lead-acid deep cycle batteries are very susceptible to high discharge currents in terms of capacity and energy loss. Hence, most of the modern solar and similar systems that require deep-discharge batteries that cycle a lot are based on lithium batteries.
Published: April 11, 2022.
How Many Solar Panels Do I Need For 1000 kWh Per Month?
Solar energy can help us lower Carbon Dioxide (CO2) emissions, it "just" has to be collected in the most efficient way possible in order to lower expenses, and to make the installation of solar panels and the required electronics as compact and easy as possible.
The collection of 1000 kWh per month using solar panels is not an easy task, but it can be done with sufficient solar panel surface and a few more important components.
Published: April 9, 2022.
NOCO Boost Plus GB40 1000 Amp 12-Volt Ultra Safe Portable Lithium Car Battery Jump Starter
NOCO Boost Plus GB40 is a lightweight and compact portable car battery jump starter. The energy is provided by the built-in lithium-ion battery, allowing the NOCO Boost Plus GB40 to start 6.0-liter gas and 3.0-liter diesel engines up to 20x per single battery charge.
Also, NOCO Boost Plus GB40 may be used as an emergency flashlight and for charging devices via USB port, like tablets, smartphones, and other similar devices.
Great safety features, simple to use design, and affordable price make NOCO Boost Plus GB40 one of the most popular models on the market.
Updated: April 9, 2022.
Westinghouse WGen7500 Portable Generator
Westinghouse WGen7500 Portable Generator is a simplistic and affordable, open-frame power generator suitable for both commercial and residential use.
Thanks to its power, Westinghouse WGen7500 Portable Generator is able to power even smaller homes during power outages, and thanks to the remote start, air-cooled engine, automatic choke, and other features, it is easy to use and maintain 7500/9500 Watts power generator.
Updated: April 9, 2022.
LR1130 Battery Equivalents and Replacement
LR1130 is a very popular button/coin cell battery, often used in remote controls, car keys, garage openers, micro LED flashlights, calculators, toys, etc.
Since it is so popular, practically all battery brands manufacture LR1130 batteries, but they also use many other labels, including LR1131, LR54, SR1130, SR1130SW, AG10, 390, 389, 387, 189, etc. leading to certain confusion among the consumers.
Updated: April 8, 2022.
Car Battery Weight: How Much Does A Car Battery Weigh?
Cars and other vehicles come in various sizes and types, so do their batteries differ in size, type, chemistry, and a few more details, including, of course, their weight.
While car battery weight doesn't influence, at least not by much, performances of most passenger cars, SUVs, RVs, and similar, racing cars benefit from any weight savings. For this and many other reasons, people often ask how much does a car battery weigh.
Published: April 8, 2022.
How To Activate A Conventional and How to Activate An AGM Lead-Acid Battery
Conventional (wet/flooded) and AGM lead-acid batteries can be Factory Activated (FA) batteries, but also some manufacturers offer Bottle Supplied (BS) batteries - dry batteries with their electrolyte stored in special plastic battery containers, ready to be added to cells just before the very first use.
Although Factory Activated batteries are simpler to use, Bottle Supplied (BS) batteries have a longer shelf life and very often longer operating life.
Published: April 6, 2022.
What Does A BS Mean On A Motorcycle Battery?
A label of a motorcycle or Powersports battery usually contains the battery brand, the battery size/group, and often ends with the letters "BS".
While battery brand and the battery size/group are self-explanatory, many people wonder what this "BS" stands for ...
Published: April 6, 2022.
Weize YTX9-BS AGM Motorcycle Battery
Weize YTX9-BS AGM Motorcycle Battery is a versatile Absorbent Glass Mat (AGM) Valve-Regulated Lead-Acid (VRLA) battery designed as starting battery for motorcycles, snowmobiles, power generators, lawn tractors, and other applications that need YTX9-BS starting battery.
Weize YTX9-BS battery is a very popular battery due to its durable vibration-resistant construction, good capacity, low self-discharge rate, high CCA current, acceptable price, etc.
Published: April 6, 2022.
Why Does My Car Battery Keep Dying?
Depending on the car use, climate, the battery quality, the quality of the car's battery charging system, and a few other things, the car battery may last on average 2-5 years, after which, it should be replaced with a new one.
Before the battery fails, it may show a few signs of impeding failure. However, from time to time, the car battery fails much more often than the typical every 2-5 years and people wonder why?
Published: April 4, 2022.
Generator Suicide Cord: Male to Male Extension Cord
Male to male extension cords are not very common extension cords but can come in very handy in emergencies and blackouts when one wants to provide at least some electric power to the home appliances.
Male to male extension cords are simple electrical cords with prongs on both ends, allowing the user to connect one end to the wall power socket and another end to the power generator.
Although such connections are quick and easy, there are a few very serious safety issues with them, giving these extension cords a rather grim nickname - suicide cord.
Published: April 2, 2022.
IMALENT MS18 100000 Lumens LED Flashlight
IMALENT MS18 100000 Lumens LED Flashlight is one of the strongest LED flashlights on the market offering light that is ~100x stronger than the typical home LED or incandescence bulb, which usually features 800-1200 lumens.
Of course, such output power cannot be maintained for a long time despite an active cooling system, but even when reverting to "weaker" light mode, IMALENT MS18 100000 Lumens LED Flashlight still offers impressive 25000 lumens.
Published: April 2, 2022.
CHINS 12V 300Ah Deep Cycle LiFePO4 Battery
CHINS 12V 300Ah Deep Cycle LiFePO4 Battery is a high-capacity, deep cycle, lightweight lithium battery based on the Lithium Iron Phosphate (LiFePO4) chemistry.
As such, the CHINS 12V 300Ah lithium battery is a very popular choice for various off-the-grid applications requiring a battery that supports a high number of charging/discharging cycles, accepts charge well, that can provide strong current over a longer period of time, and similar.
Published: April 2, 2022.
Kaiweets HT100 Non-Contact AC Voltage Tester Pen
Kaiweets HT100 Non-Contact AC Voltage Tester Pen is a simple, affordable, and rather reliable non-contact AC voltage tester. Kaiweets HT100 allows the user to safely and quickly verify if there is AC voltage present at the measuring point.
With its ease of use, reliable operation, two levels of sensitivity, built-in LED flashlight, etc. Kaiweets HT100 is one of the most popular non-contact AC voltage testers in the market.
Published: April 2, 2022.
Outlet Stopped Working, Breaker Not Tripped - What To Do?
When the power outlet loses power, the most probable reason is tripped circuit breaker or a blown fuse.
But, in some situations, the outlet may stop working, without the circuit breaker being tripped. When that happens, what one can do to solve the problem?
Published: April 2, 2022.
50 Amp Wire Size - Calculate Proper Wire Gauge/Thickness
50 Amp is a very common current requirement we need proper wires for, especially at home, in the RVs, boats, cars, etc. While transferred power depends on the voltage applied to the circuit, energy efficiency and cable temperature depend on the wire thickness and its electrical resistance.
When calculating proper wire thickness and circuit breaker, there are a few important things to consider. But, whatever You do, safety first.
Published: April 1, 2022.
AWG to mm2 Conversion Chart and Wire Sizes
With various standards around, it is important to know how to convert proper cable sizes from one standard to another.
Also, voltage drop and power losses depend on the cable length, thickness, and current flowing through the cable.
Warning: no math in this article, seriously :)
Updated: April 1, 2022.
SR57, LR57, 395, 399, SR927W, SR927SW, SR927PW, SR927, SR926, LR927, LR926, SG7, AG7 Battery Equivalents and Replacements
SR57, LR57, 395, 399, SR927SW, AG7, etc. batteries are very popular button/coin cell non-rechargeable batteries, available in alkaline and silver-oxide chemistries and manufactured by practically all battery brands.
These batteries are commonly found in small electronic and electric devices requiring reliable power sources like keychain flashlights, wrist watches, small remote controls, and similar.
Updated: March 30, 2022.
AA Batteries - Size, Types, and Equivalents
AA batteries are one of the most common battery sizes used in household electronic devices.
AA batteries differ in used chemistry and hence the capacity, voltage, discharge characteristics, and other features that are very important when powering sensitive electronic equipment.
Updated: March 30, 2022.
Group 31 Batteries - Dimensions, Features, and Recommendations
Group 31 batteries are relatively large and powerful batteries, featuring 20h capacity in 75-125 Ah range, providing 750-1250 CCA, 150-250 minutes RC, etc. Their physical dimensions are approximately 13 x 6 13/16 x 9 7/16 inches (~13 x 6.8 x 9.44 inches, 330 x 173 x 240 mm), while their features depend on the battery design, intended use, chemistry, and similar.
Group 31 batteries are very common in marine, automotive, off-the-grid and similar applications, making them one of the most popular battery groups.
Updated: March 30, 2022.
ECOTRIC Hammer 750W 26" Fat Tire Adult Electric Bicycle
ECOTRIC Hammer 750W 26" Fat Tire Adult Electric Bicycle is a large and powerful ebike, designed for everyday commuting, but also for having off-road rides over different terrain types, including snow, sand, gravel, and similar.
ECOTRIC Hammer fat tire bike comes with a removable high-capacity battery, rear hub motor, front suspension, easy-to-read LCD display, 4 ride modes, and other features, making it one of the most sought-after bikes in its class. And no, it is not a cheap bike ...
Published: March 29, 2022.
Renogy 100 Watt Eclipse Solar Panels Suitcase Kit
Renogy 100 Watt Eclipse Solar Panels Suitcase Kit is a compact and lightweight, suitcase-style solar panel/solar charger kit suitable for various off-the-grid situations and applications, including camping, RVs, marine, in emergencies, and similar.
Renogy 100 Watt Eclipse Solar Panels Suitcase Kit features everything one needs to fully recharge one 12V 35-55Ah battery during the day. Thanks to the included 20A Voyager solar battery charger, this kit supports charging of up to 7 different battery types, including flooded/wet lead-acid batteries, Gel-Cell batteries, AGM batteries, Lithium-ion batteries, LiFePO4 batteries, etc.
Published: March 29, 2022.
Anker PowerCore Essential 20000 PD (18W) Power Bank
Anker PowerCore Essential 20000 PD is a very popular power bank offering simple design, ease of use, and great features at an affordable price.
Anker PowerCore Essential 20000 PD features a large internal battery, USB-A and USB-C charging ports, and can deliver high-speed 18W charging to smartphones, tablets, and other USB-charged devices.
Published: March 28, 2022.
Can You Jump Start A Car Safely In The Rain?
Most cars and trucks feature 12V DC electric systems and onboard batteries or battery packs that are used, among other tasks, for cranking the main engine used for propulsion.
However, from time to time, batteries tend to fail for various reasons and those failures don't always happen on a clear, sunny day. On a contrary, when things go bad, usually more than one thing goes bad, raising the question if one can safely jump-start a car in the rain?
Published: March 28, 2022.
Do Motorcycles Have Alternators?
Alternators are electric generators that transform mechanical energy into electric energy in the form of alternate current, hence their name.
Alternators are commonly found in cars, where they are used for charging the onboard battery which is in turn used to start the engine and power other electric loads. But the question remains - do motorcycles have alternators?
Published: March 28, 2022.
Do Electric Cars Have Alternators?
Electric cars use energy stored in the onboard battery for powering their electric motors used for driving and for powering all other devices found in cars.
Alternators are a very important piece of electric systems of modern cars with internal combustion systems and are used for generating electric power required for charging the battery, starting the main engine, powering lights, fans, and all other electric loads. So, one may easily ask oneself, do electric cars have alternators?
Published: March 28, 2022.
370, 371, LR69, LR920, LR921, SR69, SR920SW Battery Equivalents, and Replacements
LR920 and SR920SW are popular alkaline and silver-oxide batteries commonly found in the wrist and other watches, remote controls, some toys, small flashlights, and similar.
These batteries are usually labeled as SR69, SR920W, SR920SW, SR920PW, SR920, SR921, SR69, 171, 370, 371, LR69, LR920, LR921, SG6, AG6, etc. leading to confusion when proper battery equivalent and replacement battery is needed.
Fortunately, most popular battery brands use SR920SW, 371, 370, LR920, or AG6 when labeling their LR920/SR920SW batteries.
Updated: March 26, 2022.
SR716SW/315 Battery Equivalents and Replacements
SR716SW/315 battery is a smallish button/coin cell battery commonly used as a wrist watch battery and for powering credit card and other similarly sized compact devices that require a power source with a very stable output voltage.
SR716/315 batteries are exclusively silver-oxide batteries, while similar alkaline batteries are very rare if present on the market at all.
Published: March 26, 2022.
OLIGHT Seeker 3 Pro LED Flashlight
OLIGHT Seeker 3 Pro LED Flashlight is a very powerful, yet relatively compact and lightweight floodlight flashlight with sturdy and durable construction, a high-capacity customized battery, four extra bright LEDs, proximity and thermal sensors, and a few more features more than justifying the price of this flashlight.
OLIGHT Seeker 3 Pro LED Flashlight is a rather versatile flashlight that can be used for various outdoor activities like camping, hiking, or similar, for Search&Rescue, security services, in emergencies, as high-end EDC flashlight, etc.
Published: March 23, 2022.
How Many Ah is a Car Battery?
Car batteries differ in size, capacity, BCI group, type, and a few more details, just as cars differ in size, type of engine, engine size, and similar.
The capacity of the car battery is given in Ah (Amp-hours) and mostly varies between 35Ah and 100Ah, although there are even smaller, but also larger batteries or battery packs used in modern cars.
Published: March 23, 2023.
What Are The Brightest Flashlights In The World?
LED flashlights powered by ultralight lithium batteries packaged in a compact, but very resilient and durable aluminum bodies can provide extremely strong light beams with constant output levels having more than 10000 lumens and with burst modes up to 100000 lumens.
Such light intensities are not easy to achieve, and many low-quality brands offer cheap flashlights claiming 10000+ lumens of light. But, a good and reliable flashlight in the 1000+ lumens range and especially in the 10000+ lumens range cannot be cheap ...
Published: March 21, 2022.
12V 1000Ah Lithium, AGM, and Gel-Cell Deep Cycle Batteries Comparison
12V 1000Ah lithium, AGM and Gel-Cell deep cycle batteries (or battery packs) are able to store huge amounts of energy and release it when required.
Such battery packs can be used for electric vehicles and boats, off-the-grid batteries, solar batteries, backup batteries, medical and security devices, and similar.
However, lithium, AGM and Gel-Cell batteries differ in many features, including weight, the number of supported charging/discharging cycles, charging and discharging currents, etc. - all of which have their own pros and cons ...
Published: March 17, 2022.
What Will a 10000 Watt Generator Run?
10000 Watt portable generators are a common choice for powering larger and even smaller RVs while being offline, whole houses during emergencies and blackouts, construction sites, and similar.
Thanks to their output power, 10000 Watt generators can successfully power a long list of tools, appliances, gadgets, devices, and other loads. But, one must be aware that 10000 Watt generators are rarely inverter generators, providing electric power with relatively high THD%, requiring users to additionally protect sensitive devices by smoothing out output voltage.
Published: March 16, 2022.
Odyssey PC2250 (ODS-AGM6M) Heavy Duty/Commercial Battery
Odyssey PC2250 (ODS-AGM6M) Heavy Duty/Commercial Battery is an Absorbent Glass Mat (AGM) Valve Regulated Lead-Acid (VRLA), maintenance-free, spill-proof dual-purpose battery, intended for both starting and deep-discharge applications.
Thanks to its design and sturdy construction, Odyssey PC2250 (ODS-AGM6M) battery features a very broad operating temperature range, supports a large number of charging/discharging cycles (for a lead-acid battery), can provide huge currents, accepts charge fast, can be recovered from very deep discharges, etc.
Of course, such battery is anything but lightweight and cheap, but ...
Published: March 15, 2022.
LiPo 2S Battery 101: All About LiPo 2S Batteries
Lithium Polymer batteries, also known as LiPo or Lipo batteries are a special type of rechargeable lithium batteries that feature electrolytes in the form of polymer gel, and in their basic form, they are soft to touch.
LiPo 2S batteries feature two LiPo batteries connected in series in order to provide larger voltage, commonly 7.4V. As such, they are commonly used as sources of strong currents in various applications, including RC cars, RC boats, RC trucks, and other toys, but also applications like robotics and similar.
Published: March 9, 2022.
Ovonic 7.4V 2S 50C 6200mAh Hard Case Lipo Battery
Ovonic 7.4V 2S 50C 6200mAh Hard Case Lipo Batteries are very popular 2S LiPo batteries very often used in 1/8 and 1/10 RC cars and trucks and other RC toys.
Ovonic 7.4V 2S 50C 6200mAh Hard Case Lipo Batteries are known for their durability, they support a large number of charging/discharging cycles, strong output currents, etc. But, like any other LiPo battery, Ovonic 7.4V 2S 50C 6200mAh Hard Case Lipo Battery also must be taken special care of, especially when charging.
Published: March 9, 2022.
Weize 12V 10Ah Lithium LiFePO4 Deep Cycle Battery
Weize 12V 10Ah Lithium LiFePO4 Deep Cycle Battery is a compact and lightweight battery intended to replace 12V 7Ah wet/flooded, Gel-Cell and AGM lead-acid batteries in applications requiring no more than ~100 Running Watts and ~200 Starting Watts.
It can be used as an excellent fish finder battery, electric vehicle/toy battery, small inverter battery, solar battery, and similar, supporting a very large number of charging/discharging cycles (2000+), saving money in the long run.
Published: March 7, 2022.
12V 7Ah Rechargeable Batteries - Features, Dimensions, and Cross Reference Chart
12V 7Ah batteries are very popular deep cycle and general-purpose batteries, commonly used for powering medical equipment, security systems, UPS and other emergency systems, toys, scooters, fish finders, etc.
For a long time, 12V 7Ah batteries were built only as Sealed Lead Acid (SLA) batteries. In recent times, deep cycle Lithium Iron Phosphate (LiFePO4) batteries are offering great weight savings, a larger number of supported charging/discharging cycles, etc. But, SLA AGM (Absorbent Glass Mat) batteries are still going on strong.
Published: March 7, 2022.
YTX14AH-BS and YTX14AHL-BS Battery Equivalents, Replacements, and Cross Reference Chart
YTX14AH-BS and YTX14AHL-BS batteries are very common Powersports batteries, typically used in motorcycles, ATVs, snowmobiles, and other similar vehicles and also as starting batteries in power generators, smaller boats, garden and lawn tractors, and similar applications.
YTX14AH-BS and YTX14AHL-BS batteries are typically sealed AGM lead-acid batteries, but there are also other battery types in use today.
Published: March 5, 2022.
WEN 56203i Super Quiet 2000-Watt Portable Inverter Generator
WEN 56203i Super Quiet 2000-Watt Portable Inverter Generator is a very popular gasoline (gas) powered inverter power generator, featuring relatively low weight, long runtime on a single fuel tank, good reliability, low noise operation, very low THD levels, safety features, etc.
As such, WEN 56203i is commonly used for camping, hiking, tailgating, but also in emergencies and blackouts. And if the output of a single WEN 56203i is not enough, WEN offers several different Parallel Connection Kits, allowing the user to connect two compatible WEN inverter generators and to increase the output power.
Published: March 3, 2022.
Weize YTX30L-BS Powersports AGM Battery
Weize YTX30L-BS Powersports AGM Battery is a sealed, maintenance-free, lead-acid starting battery intended for use in motorcycles, snowmobiles, ATVs, tractors, power generators, and other vehicles and applications in general that are powered by smaller gasoline and diesel engines.
Weize YTX30L-BS is a very popular battery that also comes at a very affordable price. Most batteries operate flawlessly during their lifespan, but a small number of batteries fail rather quickly - quality control or some other issues, it is hard to tell...
Published: March 2, 2022.
Group 4D, 6D, and 8D Batteries - Dimensions, Features, and Recommendations
BCI Group 4D, 6D, and 8D batteries are large and heavy commercial batteries, often used for off-the-grid applications, as solar batteries, as RV house batteries, for security, medical and standby applications, for powering various industrial vehicles and applications, etc.
BCI Group 4D, 6D, and 8D lead-acid batteries were commonly Absorbent Glass Mat (AGM) or Gel-Cell Sealed Lead Acid (SLA) batteries, but are now being phased out in favor of Lithium Iron Phosphate (LiFePO4) 4D, 6D, and 8D batteries.
But, AGM and Gel-Cell lead-acid batteries are still going on strong in applications where lightweight design and high cycling abilities are not of greatest importance.
Updated: February 23, 2022.
Zooms 12.8V 200Ah Plus Lithium LiFePO4 Battery
Zooms 12.8V 200Ah Plus Lithium LiFePO4 Battery is an ultralight deep-cycle Lithium Iron Phosphate (LiFePO4) battery intended for off-the-grid, RV, marine, e-vehicles, and similar applications.
Zooms 12.8V 200Ah Plus Lithium LiFePO4 Battery features a very large number of charging/discharging cycles, small discharge rate, stable output voltage, improved BMS (compared with the previous Zooms 12V 200Ah LiFePO4 battery), etc. It is a very popular battery in its class that comes at a very acceptable price.
Published: February 22, 2022.
BCI Group 85 and Group 86 Batteries - Dimensions, Features, and Recommendations
BCI Group 85 and Group 86 batteries share the very same physical dimensions, with the only difference being the battery terminals orientation.
BCI Group 85 and 86 batteries are designed mostly as starting/cranking batteries and are, as such, commonly used in automotive and marine applications for starting smaller and mid-range gas and diesel engines.
Published: February 17, 2022.
Bluetti AC200P Portable Power Station/Solar Generator
Bluetti AC200P is a larger, heavy, but also sturdy, powerful, and rather versatile power station/solar generator and one of the most sought-after power stations on the market in its class.
Bluetti AC200P features large and powerful Lithium Iron Phosphate (LiFePO4) battery, MPPT charger controller that supports various charging methods, 17(!) output ports ranging from a pair of wireless charging pads to pure-sine outlets.
Bluetti AC200P is an ideal zero-carbon solution for any camper or RV enthusiast, but also it can come in very handy during blackouts, emergencies, or any similar situation.
Updated: February 2, 2022.
Solar Powered TV: How Many Solar Panels To Run a TV
During blackouts and in emergencies, running a TV, lights, communication devices, and similar appliances and devices help one to endure tough times, waiting for a "normal" to return.
Running a TV via solar panels ensures an almost endless source of power when the system is set properly. Thus, many people wonder how many solar panels are needed in order to run a TV...
Published: February 2, 2022.
Non-Rechargeable vs. Rechargeable Hearing Aid Batteries: Size 10, 312, 13, 675 Hearing Aid Batteries
Non-Rechargeable (disposable) zinc-air batteries have been standard hearing aid batteries for a long time. They have replaced older mercury-oxide batteries and after introducing mercury-free zinc-air batteries, they have become de facto standard for hearing aid batteries.
However, rechargeable batteries are being used more and more in everyday electronics, and as such, they are slowly entering the hearing aid market as well. But, there are several very important issues that rechargeable batteries face when being used as hearing aid batteries...
Updated: February 2, 2022.
Solar Powered Air Conditioner: How Many Solar Panels To Run an AC Unit
Running an air conditioner unit during blackouts, in emergencies, when camping, and in other similar situations when the mains power is not available, requires solar panels to collect the energy, a battery pack to store the energy, and some form of power inverter that will convert chemical energy in batteries into electricity suitable for powering AC units and hopefully few other smaller loads like lights, TV and similar.
As heating and cooling devices, modern air conditioners are very effective and they require less energy than air conditioners just a few years ago. Nonetheless, it is vital to know the exact power and energy requirements of your AC unit.
Published: February 2, 2022.
Best 12V 300Ah and 400Ah Lithium Deep Cycle Batteries
12V 300Ah and 400Ah lithium deep cycle batteries are becoming more and more popular for powering electric vehicles, trolling motors, as RV house batteries, as off-the-grid batteries, as inverter batteries, etc.
With their huge capacity, relatively lightweight construction, a large number of supported charging/discharging cycles, these batteries can directly support loads and energy requirements that were impossible to meet with much heavier lead-acid batteries just a few years ago.
Published: February 1, 2022.
8 Volt Lithium and Lead-Acid Golf Cart Batteries
Lead-acid and lithium batteries are both made in BCI Groups GC2/GC2H (6 Volt) and GC12 (12 Volt) sizes, but what about BCI Group GC8/GC8H (8 Volt) batteries? Are there 8 Volt lithium and/or lead-acid golf cart batteries?
Here is our attempt to answer this question and to clarify a few things about not only lithium golf cart batteries, but about lithium batteries in general.
Updated: February 1, 2022.
Best Lawn Mower and Tractor Batteries - Types, Sizes, and Replacements
Lawn mower, tractor, and garden starting batteries are used for starting/cranking internal combustion engines and sometimes for powering other electric loads, including lights, smaller winches, various pumps, and similar devices.
When looking for a new battery, one must pay attention to several details in order to get the right battery that will serve well for years ahead.
Updated: February 1, 2022.
Battery Operated Heater - Can a Battery Power a Tent or RV Heater?
Space heaters are commonly used for heating tents, RVs, offices, rooms, cars, and even homes and apartments. They directly convert chemical or electrical energy into heat, warming up the desired area. Since space heaters directly convert chemical energy into heat, they are simple, reliable, and rather affordable, but also they are not as efficient as, for example, Air Conditioning units.
Battery-operated heaters can be of great help when camping or being off-the-grid by keeping You warm during long, cold days and nights. Right? Well, things are not that simple ...
Updated: January 31, 2022.
Best DuroMax Power Generators
DuroMax power generators are very popular power generators, offering good performances at affordable prices, sometimes at the cost of somewhat larger weight and higher noise.
But, with the introduction of newer DuroMax power generators (for example, iH, HX, DX, and similar models), DuroMax power generators offer reliable, safe, and relatively easy to use and maintain power generators at acceptable prices that fit the needs of various users.
Published: January 27, 2022.
Watts to BTU and BTU to Watts Conversions
Watts to BTU and BTU to Watts conversions are commonly required when calculating the power of devices that are used for air heating and cooling, like various AC units and electric heaters.
'Slight' issue is the fact that BTU is a unit of energy, while watts are a unit of power, and they can't directly be converted.
Updated: January 25, 2022.
What Size Generator Do I Need To Run Refrigerator And Freezer?
During blackouts and in emergencies, running most essential appliances like refrigerators and freezers is important for keeping the food fresh and edible until the blackout is over.
A large enough generator can power not only refrigerators and freezers but other home appliances including lights, TV, communication devices, and similar, helping people endure the emergency more easily. But, how large generator is large enough?
Published: January 25, 2022.
How Many Amps Does a 1000 Watt Inverter Draw?
1000 Watt inverters are a very popular class of power inverters suitable for use even with car batteries, at least for shorter periods of time.
With 1000 continuous watts and often 1500-2000 surge watts, 1000 watt inverters are suitable for powering smaller devices, tools, gadgets, and appliances. However, many people wonder what is the actual load on the battery in terms of the current draw.
Published: January 22, 2022.
SR512SW (335) Battery Equivalents and Replacements
SR512SW battery, also often labeled as 335 battery, is a small 1.55V non-rechargeable, button/coin cell, silver-oxide battery commonly used in wrist watches, credit card devices, and similar small devices and gadgets that need a reliable source of power over a longer period of time.
SR512SW/335 battery is manufactured by the most reputable battery brands and can be found at online shops and local hardware stores. However, it also often comes with additional labels, causing slight confusion among the users.
Published: January 21, 2022.
How to Extend the Life of the Car Battery
Car batteries are still mostly lead-acid batteries, designed for strong power surges, required when cranking the car's engine.
On average, car batteries last 2-5 years, although there are examples of good, well-maintained batteries that lasted longer, much longer. So, what's their secret?
Updated: January 14, 2022.
How Many Amps is a Car Battery - Car Battery Amps?
Knowing your car's battery amps and other features is very important not only when replacing the battery, but also when the battery is being used not only for cranking purposes but also for powering other electric and electronic systems like lights, navigation, multimedia devices, security systems, etc.
With more and more onboard systems, car manufacturers are slowly replacing pure starting batteries with the new dual-purpose AGM batteries, featuring many improvements over older flooded ones.
Updated: January 14, 2022.
How to Recondition a Car Battery?
Most cars still use lead-acid batteries of some kind - wet/flooded, AGM or even Gel-cells, but these batteries over time lose their capacity and the ability to start the engine.
Since quality car batteries are not cheap, many people wonder how they can recondition a car battery at home. Reconditioning car batteries at home can be done successfully, but this also depends on the battery type, its use, age, current condition and similar.
Updated: January 14, 2022.
Best Lithium Car Audio Battery
Car audio systems tend to be rather "hungry" regarding the required electricity and can drain ordinary car batteries rather fast.
To prevent any issues with the car's starting batteries, additional batteries or even battery packs are added in order to power the built-in car audio systems. As such, lithium car audio batteries have many benefits over lead-acid batteries and are becoming more and more popular.
Updated: January 14, 2022.
How To Charge a Car Battery
The dead car battery may be a rather annoying experience, especially when we are in hurry. But, it can happen to anyone, even with modern cars that regularly do self-tests of most systems, and warn the users if something is out of required range.
If the car battery is discharged enough, it is unable to crank the engine, but that doesn't mean that the battery is "dead" and that it must be replaced with a new one.
Updated: January 14, 2022.
Best Car Battery Chargers and Maintainers
Batteries for cars, trucks, RVs, boats, and other vehicles lose the charge over time due to the battery age, weather, battery self-discharge, parasite drain, or simply because lights or some similar load was left turned On.
While jump starters can help one crank the engine quickly, battery chargers can recharge the discharged battery and even can bring the dead battery back to life.
Also, when leaving a car or other vehicle for a longer period of time, it is a good practice to leave the battery connected to the battery maintainer in order to keep the battery fully charged even for months to come.
Published: January 13, 2022.
364, AG1, LR621, SR621SW Battery Equivalents, and Replacements
LR621 and SR621SW are very popular coin/button cell batteries often used in wrist watches, small toys, calculators, remote keys, and similar small and compact devices.
LR/SR621 batteries are manufactured by many leading brands and can be easily found at online shops and stores.
Updated: January 11, 2022.
Optima RedTop 34, 34R, 34/78, Optima YellowTop D34, D34/78 and Optima BlueTop 34M, D34M Batteries Comparison 
Optima batteries are a very popular automotive and marine battery brand. BCI Group 34 batteries are commonly used as starting, dual-purpose, and as deep cycle batteries in cars and other vehicles, in boats, off-the-grid applications, etc. Optima group 34 batteries come in several, often very similar versions, but optimized for certain applications. Choosing the right one can be a daunting task, but it shouldn't. Read more ...
Updated: January 11, 2022.
Battle Born 100 Ah LiFePO4 12 Volt Deep Cycle Battery
Battle Born 100 Ah LiFePO4 12 Volt Deep Cycle Battery is a lightweight and durable drop-in replacement for similar lead-acid (SLA AGM or Gel Cell, or even flooded cells) batteries. It features protective electronics that monitor battery parameters, like charging and discharging currents, voltages, temperatures, and similar.
Battle Born 100 Ah LiFePO4 12 Volt Deep Cycle Battery can be directly connected in series and parallel to create battery packs with larger capacities and voltages. It can be directly charged using lead-acid chargers, just one has to be cautious regarding charging currents and voltages.
Updated: January 11, 2022.
C Cell Batteries vs 26500 Batteries - Comparisons and Recommendations
C cell batteries and 26500 batteries are physically very similar batteries - they are cylindrical batteries commonly used at home appliances, toys, flashlights, musical instruments, etc.
C cell batteries and 26500 batteries differ in chemistry type and thus their nominal voltage, capacity, internal resistance (drain type), shelf life, use, and similar.
Updated: January 7, 2022.
Best Hand Crank Flashlights
Hand crank flashlights feature a small hand crank power generator that is used to charge an onboard battery which is then used to power LEDs but sometimes also for other purposes as well, like charging the USB charged devices and similar.
Often, hand crank flashlights also feature a small solar panel that collects the light and slowly charges the battery, keeping the flashlight almost always ready to go.
Published: January 6, 2022.
Wrist Watch Battery Replacement Chart - Watch Battery Repair
Wrist watches are commonly powered using one or rarely two button/coin cell batteries, and these batteries have a limited operating lifetime. When replacing an old battery with the new one, the best practice is to use batteries recommended by the watch manufacturers.
However, finding the exact type and model can be sometimes confusing due to the different labels some battery brands are using for their batteries. Also, using silver-oxide instead of alkaline batteries can prolong the watch operating time on a single battery.
Updated: January 5, 2022.
CMOS Battery Dead? How to Replace the CMOS Battery
Complementary Metal Oxide Semiconductor (CMOS) battery is a small, mostly button/coin cell battery that provides power to the small memory that stores information about the BIOS settings.
When the CMOS battery dies, BIOS resets its setting, including date, hard drive settings, boot order, etc., and in many situations, OS can't load properly.
When something like that happens, the only course of action is to replace the CMOS battery.
Published: January 3, 2022.
Car Battery Testing & Voltage - How Many Volts is a Car Battery?
The car battery provides energy not only for cranking the engine, but it also powers a broad range of devices that may be turned on when the engine is off, even when the car is locked, like GPS units, alarms, and other security systems, multimedia devices, lights, etc.
While car batteries feature a nominal voltage of 12 volts, in real life, this voltage can be anywhere from just a few volts (or even 0 volts!) to almost or even slightly over 15 volts. The exact battery voltage depends on the engine being turned On or Off and the battery's charge condition, age, load, temperature, etc.
Updated: December 31, 2021.
How to Change the Battery in the Key Fob - Key Fob Battery Replacement
When the key fob starts to react more slowly and when it requires to be near the car in order to open it, it is time to replace the key fob battery.
Key fobs almost exclusively feature lithium button/coin cells which feature long shelf life, stable output voltage, and are able to provide relatively strong current pulses required by the internal key fob electronics.
And for most cars, the key fob battery can be replaced at home with minimum additional tasks required afterward.
Published: December 31, 2021.
Lithium CR2450 Battery - Brands, Equivalents and Replacements
Lithium 3.0V CR2450 battery is a non-rechargeable button/coin cell battery commonly used in watches, computer motherboards, medical devices, LED flashlights, toys, remote controls, car remote keys, security systems, wearable electronics, etc.
When compared with smaller 3.0V lithium batteries, CR2450 is a large and powerful battery with a large capacity and is often used in 'high' drain devices.
Updated: December 31, 2021.
LR521, LR63, SR521, SR521S, SR521SW, SR63, 379, SG0, AG0 Battery Equivalents, and Replacements
LR521, SR521, 379, AG0 button cell batteries are often used in wrist watches, toys, remotes, and similar low drain devices.
These batteries are manufactured by most, if not all, most reputable battery brands and are easy to find if you know what to look for.
Updated: December 29, 2021.
Optima 8052-161 D31M BlueTop Dual Purpose Marine Battery
Optima 8052-161 D31M BlueTop Dual Purpose Marine Battery is a very popular starting and deep cycle battery for marine and automotive applications.
It is a maintenance-free and spill-proof SLA (Sealed Lead-Acid) AGM (Absorbent Glass Mat) battery that can operate in virtually any position, featuring very good both starting and deep cycle performances. It is commonly used in single battery electrical systems found at RVs, boats, yachts, and even cars.
Updated: December 29, 2021.
Odyssey 31M-PC2150 (ODX-AGM31) AGM Marine Dual Purpose Battery Review and Recommendation
Odyssey 31M-PC2150 (ODX-AGM31) is a BCI group 31 battery, designed as a dual-purpose battery. As starting battery it can easily provide 1000+ CCAs and as a deep cycle battery, it comes with a 205 min RC rating.
Odyssey 31M-PC2150 is an AGM SLA battery, featuring increased resistance to vibrations, spill-proof design, two types of terminals, can operate in any position, etc.
It is one of the heaviest group 31 batteries on the market and far from being cheap, but it is also one of the best batteries in its class (if not the best) and worth every (euro)cent.
Updated: December 29, 2021.
Best Champion Power Generators
Champion Power Equipment is a company that manufactures a long list of power generators and related accessories, tools, and spare parts.
Champion power generators are known as reliable and durable units that are available at acceptable prices - there are sometimes better power generators, but in most cases, such units are much more expensive.
Updated: December 24, 2021.
Best Champion Dual-Fuel Generators
Dual fuel power generators give their users freedom of choosing two types of fuel for their units - gasoline (or for short "gas") and LPG (Liquid Propane Gas, or just "propane", which may be very important, especially in emergencies when gas is sometimes rather hard to find.
Champion Power Equipment company is known for a broad range of dual-fuel generators, ranging from small inverter generators being able to provide 1.5-2 kW to large 8-10 kW units, being able to power large RVs and even smaller homes.
Published: December 24, 2021.