Standard Small Batteries
Standard small batteries category includes broad range of batteries commonly found in home appliances, toys, remote controls and other devices.
These batteries come in various sizes, shapes and chemistries, and thus may lead the user to certain confusion regarding which battery is the proper battery equivalent/replacement for particular device.
Standard small batteries include:
||- Button/Coin Cell Batteries
||- Cylindrical Batteries
||- Lithium Non-Rechargeable 3V Button/Coin Cell Batteries
||- Cylindrical Lithium Batteries
||- Small Rectangular Batteries
Cross reference charts of common small batteries may be found at our home page.
When replacing the batteries, be sure to check details like battery type, its chemistry, dimensions, capacity, max. drain current, max. pulse current, charging current and/or voltage (rechargeable batteries), shelf life, self-discharge rate etc. Maybe this sounds complicated, but actually it doesn't have to be.
And here is the list of our latest standard small battery articles, ordered according to the added or modified date:
SR41 and LR41 batteries are small, button/coin cell batteries often used in digital thermometers, wrist watches, toys, small LED flashlights, wearable electronics, remote controls, and similar devices.
These batteries are available on the market in several chemistries, featuring similar, but not the same discharge characteristics and are often labeled differently by their manufacturers, leading to some confusion by their users.
A27/MN27 battery is a small, cylindrical, non-rechargeable battery, commonly used in car alarms, remote controls, garage door openers, glucose and blood pressure monitors, telecommunication devices, headsets, toys, etc.
According to the IEC standard, this battery label is 8LR732, since internally, it consists of 8 (eight) LR732 (or LR632) batteries connected in series.
SR616SW/321 are button/coin-cell batteries, commonly used in wrist watches, PDAs, calculators, credit card size devices, and other low-drain, continuous operation devices.
SR616SW/321 are fairly popular batteries, almost always available at hardware stores and online shops. However, many manufacturers use their own labels, leading to confusion regarding these batteries.
CR-P2, BR-P2, 5024LC, 223A, CR17-33 batteries are very popular non-rechargeable lithium batteries, commonly used in photo and film cameras, medical systems, security systems, standby devices and other applications where reliable and strong source or energy is required, even after a long time of being stored away.
CR-P2, BR-P2, 5024LC, 223A, CR17-33 are made by practically all most reputable battery brands and can be easily found at most hardware and online shops. But, since manufacturers use several, often non-standardized labels, to describe these batteries, some confusion may arise ...
SR527, SR527S, SR527SW, SR64, 319, LR527, LR64 are very small button cell batteries that often used in wrist watches, toys, remotes, and similar low drain devices.
These batteries are manufactured by the most battery brands and are easy to find in the local hardware stores and online shops, just be sure to order the battery of the right size and chemistry.
Lithium ion 21700 batteries are very popular 3.6-3.7 volts batteries for high drain devices that also require long lasting batteries in terms of constant voltage, battery capacity, low self-discharge rate, and large number of charging and discharging cycles.
21700 lithium rechargeable batteries come in many versions differing in the their chemistry, battery capacity, maximum pulse and continuous drain current, maximum charging current, protective electronics, battery terminals etc.
D cell battery is cylindrical battery introduced in 1898 and used in variety of high-drain applications including flashlights, toys, radio receivers and transmitters, medical devices, security systems etc.
Most common label for this battery is 'D-cell', but others labels are used as well, like 'flashlight battery', MN1300, MX1300, LR20, R20, 13A, 13D, Type 373, BA-30 etc.
SR516, SR516SW, SR62, LR516, LR62, 317 button cell batteries are often used in wrist watches, toys, remotes, and similar low drain devices.
These batteries are manufactured by almost all most reputable battery brands and are easy to find at online shops and local hardware stores.
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.
4SR44 or 4LR44 battery is a small cylindrical battery often used in dog collars, film cameras, small LED flashlights, car security systems, remote controls, toys and similar.
Common labels for this battery are 4SR44 or 4LR44, depending on the exact chemistry, but there are many other labels that may confuse the user, including PX28A, A544, 28A, K28A, K28L, V34PX, 476A, 4A76, 2CR1/3N, 2CR11108, etc.
SR48, AG5/SG5, LR754, SR754, Orange Tab/13, 193/309/393 etc. are small, button coin cell batteries often used in watches, toys, small LED flashlights, wearable electronics, remote controls and similar.
SR48, AG5/SG5, LR754, SR754, Orange Tab/13, 193/309/393 batteries are available in several chemistries and are often labeled differently by their manufacturers, leading to some confusion by their users.
AAA batteries are one of the most common cylindrical battery sizes used in various electronic and electric devices, like remote controls, toys, cameras, flashlights, radios etc.
AAA batteries differ greatly in chemistry and hence they differ in capacity, voltage, current/voltage discharging characteristics and many other features, which may be of great importance when powering sensitive electronic equipment.
Lithium CR2016, BR2016, LiR2016, DL2016, ECR2016, E-CR2016, SB-T11, 5000LC etc battery is lithium 3.0 volts non-rechargeable button/coin cell.
It is very popular, low-profile battery commonly used in digital watches, credit-card size devices, remote controls, calculators etc. Since practically all most reputable battery brands manufacture these batteries, getting a new one shouldn't be a problem. However, it is good to know few additional things about these batteries ...
LR43, SR43, LR1142, SR1142, AG12, 386, 301 batteries are button/coin cell batteries often found in calculators, watches, toys, small flashlights, remote controls and other small electronic devices.
According to the IEC standard, these batteries should be labeled LR1142 (alkaline) or SR1142 (silver-oxide). In many instances shorter, two-digit code is used: LR43 for alkaline and SR43 for silver-oxide batteries, but there are other labels as well, like AG12, SG12, 386, 301 etc.
Lithium CR2477 is non-rechargeable 3.0 volts manganese-dioxide lithium battery, labeled as 'CR2477', but also as DL2477, ECR2477, KCR2477, EB-CR2477, BR2477, LiR2477 etc.
CR2477 battery is used as watch battery, in remote controls, in toys, in medical equipment etc.
Lithium non-rechargeable 3.0 V CR2477 battery is known as the battery with the highest capacity of all lithium button/coin cell batteries.
Lithium 3.0V CR2450 battery is 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 large and powerful battery with large capacity and is often used in 'high' drain devices.
CR-V3, CRV3, ELCRV3, RLCRV3 is very popular, high-capacity single-cell lithium or lithium-ion battery, often used in high-drain devices and appliances, like flashlights, photo cameras, toys and similar.
CR-V3 is flat, rectangular battery 52.2 mm in height, 28.05 mm in width and 14.15 mm in depth and is physically very similar to two AA (R6) batteries side-by-side.
CR2 batteries are very popular cylindrical non-rechargeable 3.0V lithium batteries, commonly used in various devices like photo cameras, golf rangefinders, weapon mounted lights, tactical and EDC flashlights, security devices etc.
15270 (15266) batteries are rechargeable lithium batteries with nominal voltages between 3.0 and 3.7 volts, depending on the exact chemistry types and built in Battery Management System (BMS). Since they are very similar in dimensions with CR2 batteries, they are often labeled as 'rechargeable CR2' batteries.
SR416SW is very small button cell battery, commonly used in wrist watches, but also in calculators, credit card size devices, as CMOS battery etc.
Common labels of these batteries include SR416, SR416SW, SR416S, 337, LR416 and few more, but most reputable brands commonly use 'SR416SW', often combined with '337' label.
CR123A batteries are very popular cylindrical lithium batteries, commonly used in various devices like photo cameras, flashlights, security devices, military equipment, etc.
CR123A batteries come in two major versions: rechargeable and non-rechargeable CR123A batteries, both featuring different voltages, drain currents, capacities etc. That and the fact that many manufacturers come with their 'own' labels lead to slight confusion when picking the right CR123A battery.
Lithium CR1616 is very popular 3.0 volts lithium primary (non-rechargeable) battery, often used in car remote keys, wrist watches, TV remotes, medical equipment, calculators, digital scales and other small electronic devices.
Due to its very long shelf life and stable voltage, CR1616 is often used as memory battery in computers, cameras, game controllers and other electronic devices.
CR11108, CR1/3N, CR-1/3N, DL1/3N, 2L76, 2LR44, 2KL1/3N, 5008L, VL1/3N etc. are non-rechargeable 3V lithium batteries, most commonly based on the Lithium Manganese Dioxide chemistry.
Commonly, they are know as CR11108 or CR1/3N batteries and are often used in cameras, calculators, dog collars, gun sights, PDAs, computer motherboards etc.
CR2020/BR2020/VL2020 are lithium coin-cell batteries with nominal 3.0 voltage. They come in several versions: CR2020 is manganese-dioxide lithium non-rechargeable battery, BR2020 is Carbon-monofluoride lithium non-rechargeable battery and VL2020 is lithium rechargeable battery.
Depending on the exact chemistry, CR2020/BR2020/VL2020 are used in various applications requiring different battery features and characteristics.
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.
Lithium ion 26650 batteries are common choice for high drain devices that also require large capacity batteries, low self-discharge rate and large number 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.
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.
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 source like keychain flashlights, wrist watches, small remote controls and similar.
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, discharging characteristics and other features very important when powering sensitive electronic equipment.
LR920 and SR920SW are popular alkaline and silver-oxide batteries commonly found in 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 the 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.
LR621 and SR621SW are very popular coin/button cell batteries often used in wrist watches, small toys, 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.
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.
Lithium CR2025 is very popular lithium 3.0 V non-rechargeable battery, often used in car remote keys, watches, medical equipment, calculators, remote control devices, keychain LED lights and other small electronic devices. Due to its very long shelf life and stable voltage, CR2025 is often used as memory battery in computers, cameras and other electronic devices.
Thanks to its high demand, many manufacturers offer these batteries with various labels, creating slight confusion regarding CR2025 battery equivalents and replacements. Often CR2025 batteries are labeled as CR2025, DL2025, E-CR2025, SB-T14, 5003LC, BR2025, LiR2025 etc.
9-volt, E or PP3 battery is very popular 9V rectangular battery often used in portable radios, cameras, walkies-talkies, smoke alarms, alarm clocks and other applications that require slightly larger voltage from a single battery.
9V batteries can be both non-rechargeable or rechargeable batteries, featuring different chemistries.
A23 is alkaline cylindrical cell battery often used in small electronic devices requiring higher voltage, like home security systems, garage door openers, Bluetooth headsets, key-less vehicle entry systems and other similar radio-frequency transmitting and receiving devices.
AG4, LR626, LR66, 177/376/377, SR626, SR626SW batteries are very popular non-rechargeable button/coin cell batteries, available in several chemistries and manufactured by practically all battery brands. These batteries are commonly found in wrist watches and similar small electronic devices requiring reliable power source.
Lithium CR2032 is very popular non-rechargeable lithium 3.0 V battery, often used in watches, calculators, medical equipment, remote controls, and other smaller electronic devices. Due to its very long shelf life (5-10+ years) and stable voltage, it is often used as memory battery in computers, servers, cameras, and other high-end electronic devices.
Thanks to its high demand and many manufacturers that offer these batteries, there is slight confusion regarding CR2032 battery equivalents and replacements. No wonder, since one can find batteries labeled as CR2032, DL2032, BR2032, ML2032, LiR2032, LR2032, E-CR2032, SB-T51, 5004LC etc.
Lithium ion 18650 batteries are very popular choice for high power devices that also require long lasting batteries in terms of capacity, low self-discharge rate and large number of charging and discharging cycles.
18650 rechargeable batteries come in countless versions, with many features, some of the most important being capacity, maximum pulse and continuous drain current, charging current, protective electronics, etc.
AG13/LR44/SR44/SR44SW/357 button/coin cell batteries are very popular batteries, commonly found in wrist watches, small flashlights, some remote control devices and other small electronic units.
According to the IEC standard, this battery should be called LR1154 (alkaline) or SR1154 (silver-oxide). Sometimes shorter, two-digit code is used: LR44 for alkaline and SR44 for silver-oxide batteries.
Many manufacturers use their own names for these batteries, but they also tend to add IEC and other standard codes, including short descriptions about the chemistry and other important features.