Battery Equivalents, Replacements and Cross Reference Charts

Whenever replacing batteries in your devices, gadgets, flashlights, cars, boats etc. always replace old batteries with the new ones according to the manufacturer recommendations. That means reading various manuals/instructions, but better that than causing damage, injury or worse by using wrong batteries.

When replacing 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. This sounds complicated, but actually it doesn't have to be.

On this page:

	- Button/Coin Cell Batteries
	- Cylindrical Batteries
	- Lithium Non-Rechargeable 3V Button/Coin Cell Batteries
	- Cylindrical Lithium Batteries
	- Small Rectangular Batteries

Few notes: never charge the batteries with inappropriate charger, and never charge primary batteries - such activities can cause fires and even explosions.

Also, although lithium and NiMH batteries generally don't contain lead, cadmium, mercury and other heavy and toxic metals, these are very dangerous batteries if they get swallowed - electrolytes in human body close the circuit and cause various chemical processes in human body that can easily cause death!

This is serious warning! If something like this happens, induce vomiting and call 911 or any similar emergency service and follow further instructions! Again, this is very serious warning!

Button/Coin Cell Batteries

Button/coin cell batteries are group of non-rechargeable batteries. They are very common in watches, key-chain flashlights, hearing aids, remote controls and similar.

There are several chemistry types of these batteries: alkaline, silver-oxide, zinc-air, and mercury-oxide, leading to confusion among their users.

Also, some manufacturers interchangeably use the same labels for both alkaline and silver-oxide batteries. For example, AG13 battery should be 'Alkaline G13' battery, and SG13 battery should be 'Silver G13' battery. However, AG13 (AG**) and SG13 (SG**) are both often used for silver batteries, while AG13 (AG**) is mostly used only for alkaline batteries.

Comparison of these chemistries is given in the following table:

Chemistry	Alkaline	Silver-Oxide	Zinc Air	Mercury-Oxide
Voltage	1.5V	1.55V	1.4 - 1.45V	1.35V
Notes	Voltage drops over time	Very constant voltage	Slightly lower voltage, large capacity; mostly used as hearing aid batteries	Slightly lower voltage, contains mercury; not in use anymore
Typical Labels	LR##, LR####, AG##	SR##, SR##SW, SR####SW, SG##	PR##, P###, Z###	MR##, MR####
Typical LR44/SR44 Capacity	110-130 mAh	150-200 mAh	600-700 mAh	180-200 mAh

Alkaline: Alkaline button/coin cell batteries are reliable and cheap batteries. Their nominal voltage is 1.5 volts, but as the battery is used, its voltage drops over time.

Actual capacity depends on the cut-off voltage of the used device. If it is some sort of electronic equipment requiring constant and relatively high voltage, then nominal capacity of these batteries is rather low - such device will require new replacement batteries rather quickly. If alkaline batteries are used in devices that tolerate low battery voltage, than nominal capacity is larger, since such device will not require new batteries soon.

Typical labels of alkaline batteries are LR##, LR####, AG## or similar. Typical capacity of, for example, alkaline LR44 is in the 110-130 mAh range, which is lower when compared with equivalent silver-oxide (150-200 mAh) or zinc-air (600-700 mAh).

Shelf life depends on the manufacturer, but generally newer alkaline batteries have shelf life of at least 5 years.

Silver Oxide: Silver-oxide button/coin cell batteries are the most popular type of these batteries - they are not expensive, often have shelf life of 10 or more years, they have very constant voltage during operation, which is very similar to the nominal voltage of alkaline batteries (1.55 V vs 1.50 V). This 0.05 V difference is rarely of an issue - in real life more devices will have issues due to the voltage drop in alkaline batteries than with slightly larger voltage of silver-oxide batteries.

Typical labels of silver-oxide batteries are SR##, SR####, SG##, or similar. Again, some manufacturers also label them using alkaline AG## label to emphasize that their silver-oxide (SG##) batteries are replacement for alkaline AG## batteries.

Typical capacity of, for example, silver-oxide SR44 is in the 150-200 mAh range, which is larger than equivalent alkaline LR44 capacity (110-130 mAh) and less than zinc-air (600-700 mAh).

Zinc Air: Zinc air batteries are used mostly for hearing aid devices. They have slightly lower nominal voltage (1.4 - 1.45 V), but that voltage is actually very similar or even higher than voltage of alkaline batteries during use - voltage is rather constant during use.

Also, these batteries have the largest capacity of all the chemistries in use for button/coin cells - their typical capacity is 600-700 mAh, which is several times larger capacity even when compared with silver-oxide.

However, these batteries are not so common due to several reasons, but the most important one is that they operate using air (oxygen from the air) and after their electrolyte dries out, they are dead and must be replaced. Depending on the model and manufacturer, after their protective tab is removed, leave them few minutes on the air (for oxygen to enter the battery) and use for few weeks.

When they are properly sealed (protective tab on), their shelf life is usually in the 4-5 years range.

Mercury Oxide: First of all, mercury-oxide batteries are no longer in use due to the environmental impact of mercury. These batteries have (had) slightly lower voltage (~1.35 V), but they have (had) very good capacity - typical capacity of MR44 battery was in the 180-200 mAh range, very similar to the silver-oxide SR44 batteries.

Again: mercury-oxide contain mercury and they are no longer in use. But, if small batteries are swallowed, regardless of the chemistry, induce vomiting and contact nearest emergency service (dial 911, for example).

Here is a cross reference chart of common button/coin cell batteries:

Diameter	Height	Equivalents/Replacements	Article	Amazon Search
4.8 mm	1.6 mm	Silver Oxide: SR416, SR416SW, SR416S, 337 Alkaline: LR416	SR416SW, 337, LR416 Battery Equivalents	337 Battery
5.8 mm	1.6 mm	Silver Oxide: SR516, SR516SW, SR62, 317 Alkaline: LR516, LR62	-	317 Battery
5.8 mm	2.1 mm	Silver Oxide: SR521, SR521S, SR521SW, SR63, 379, SG0, AG0 Alkaline: LR521, LR63, AG0	LR521, SR521, 379, AG0 Battery Equivalents	379 Battery
5.8 mm	2.7 mm	Silver Oxide: SR527, SR527S, SR527SW, SR64, 319 Alkaline: LR527, LR64	-	319 Battery
6.8 mm	1.65 mm	Silver Oxide: SR616, SR616W, SR616SW, 321, V321	-	321 Battery
6.8 mm	2.1 mm	Silver Oxide: SR621, SR621SW, SR60, 164, 364, SG1, AG1 Alkaline: LR621, LR60, AG1	364, AG1, LR621, SR621SW Battery Equivalents	364 Battery
6.8 mm	2.6 mm	Silver Oxide: SR626, SR626SW, SR66, 177, 376, 377, SG4, AG4 Alkaline: LR626, LR66, AG4	LR626, 376/377, SR626SW Battery Equivalents	376 Battery
7.9 mm	1.3 mm	Silver Oxide: SR712, SR712S, SR712SW, 346	-	346 Battery
7.9 mm	1.65 mm	Silver Oxide: SR716, SR716SW, SR67, 315	-	315 Battery
7.9 mm	2.1 mm	Silver Oxide: SR721, SR721W, SR721SW, SR721PW, SR58, 162, 361, 362, SG11, AG11 Alkaline: LR721, LR58, AG11	-	361 Battery
7.9 mm	2.6 mm	Silver Oxide: SR726, SR726W, SR726SW, SR726PW, SR59, 196, 396, 397, SG2, AG2 Alkaline: LR59, LR726, AG2	-	396 Battery
7.9 mm	3.1 mm	Silver Oxide: SR731, SR731SW, 24, 329 Alkaline: LR731	-	329 Battery
7.9 mm	3.6 mm	Silver Oxide: SR41, SR736, SR736PW, SR736SW, SG3, AG3, 192, 384, 392 Alkaline: LR41, LR736, AG3 Zinc Air: 312, ZA312, Brown Tab, PR41, 7002ZD	-	384 Battery
7.9 mm	5.4 mm	Silver Oxide: SR754, SR754W, SR754SW, SR754PW, SR48, 193, 309, 393, SG5, AG5 Alkaline: LR754, LR48, L750, AG5 Zinc Air: 13, Orange Tab, ZA13, PR48, 7000ZD	-	393 Battery
9.5 mm	1.6 mm	Silver Oxide: SR916SW, SR68, 373, SR916 Alkaline: LR916	-	373 Battery
9.5 mm	2.1 mm	Silver Oxide: SR69, SR920W, SR920SW, SR920PW, SR920, SR921, 171, 370, 371, SG6, AG6 Alkaline: LR69, LR920, LR921, AG6	371, LR69, LR920, SR69, SR690SW Battery Equivalents	370 Battery
9.5 mm	2.6 mm	Silver Oxide: SR927W, SR927SW, SR927PW, SR927, SR926, SR57, 395, 399, SG7, AG7 Alkaline: LR57, LR927, LR926, AG7	SR57, LR57, 395, 399, SR927SW, AG7 Battery Equivalents	395 Battery
9.5 mm	3.6 mm	Silver Oxide: SR936, SR936SW, SR45, 194, 394, SG9, AG9 Alkaline: LR45, LR936, AG9	-	394 Battery
11.6 mm	1.65 mm	Silver Oxide: SR1116, SR1116W, SR1116SW, SR1116PW, 365, 366, S16, 608	-	365 Battery
11.6 mm	2.1 mm	Silver Oxide: SR1120W, SR1120SW, SR1120PW, SR1121, SR55, 191, 381, 391, SG8, AG8 Alkaline: LR1120, LR1121, LR55, V8GA, AG8	-	381 Battery
11.6 mm	3.1 mm	Silver Oxide: SR1130W, SR1130SW, SR1130PW, SR1131, SR54, 189, 387, 389, 390, AG10 Alkaline: LR1130, LR1131, LR54, V10GA, AG10	-	389 Battery
11.6 mm	3.6 mm	Silver Oxide: SR42, SR1136, SR1136S, 242, 344, 350, 387S	-	387S Battery
11.6 mm	4.2 mm	Silver Oxide: SR43W, SR43, SR43SW, 386, 301, AG12, SR1142, SR1142SW Alkaline: LR43, AG12, LR1142 Zinc Air: AC41E, PR43, 7001Z (Discontinued?)	LR43, SR43, SR43SW, AG12, 386, 301 Battery Equivalents	386 Battery
11.6 mm	5.4 mm	Silver Oxide: SR44W, SR44, SR44SW, 157, 357, 303, SG13, AG13, S76, A76, SR1154 Alkaline: LR44, 76A, AG13, LR1154, A76 Zinc Air: 675, Blue Tab, ZA675, PR44, 7003ZD	AG13, LR44 Battery Equivalents	357 Battery

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Cylindrical Batteries

Cylindrical batteries are very common batteries used in various devices, ranging from key-chain flashlights and remote control devices to electric tools, bikes, scooters and similar.

They are divided in two groups:

- primary or non-rechargeable batteries, and

- secondary or rechargeable batteries.

Both groups feature several chemistries providing various nominal voltages, capacities, shelf lives etc.

Note: never charge primary batteries. Also, never charge rechargeable batteries with the charger NOT designed for chemistry used by that particular battery.

Nominal voltage of primary cells is 1.5V regardless if they are carbon-zinc or alkaline batteries. Carbon-zinc and alkaline batteries are thus interchangeable, just note that alkaline batteries have larger capacity and are generally more used than zinc-carbon batteries.

Primary lithium batteries have nominal voltage of 3V, they are lightweight and have large capacity. Also, they tend to be more expensive than zinc-carbon and alkaline batteries and are used in high-power devices like flashlights, cameras and similar.

Nominal voltage of secondary cells depends on the chemistry. Note: never mix cells of different chemistries in the same battery pack, and always charge them with proper charger. These batteries are small, but pack a plenty of energy and if mistreated, they can burst to flames or even explode!

- Nickel Cadmium (NiCd) batteries have nominal voltage of 1.2V, they can produce insanely large currents, but their capacity and number of charging/discharging cycles is limited when compared with equivalent Nickel-Metal Hydride (NiMH) batteries. Due to their relatively high discharge rate, memory effect, environmental impact of cadmium, NiCd batteries are being phased out.

- Nickel Metal Hydride (NiMH) batteries feature good capacity, cadmium/mercury free, low self-discharge rate, large number of charging/discharging cycles, good shelf life, etc with acceptable price.

On the other hand, some NiMH batteries are optimized for low drain/high capacity applications and some are optimized for high drain/low(er) capacity applications. When low drain battery is regularly discharged using high current, its operating life is much shorter - on average good NiMH battery tolerate 400-500 charging/discharging cycles, but when abused with high charge and discharge currents, it can barely make 40-50 charging/discharging cycles. Even that is rather optimistic.

So, when replacing old NiMH batteries with the new ones, be sure to check charging and discharging currents, too.

- lithium secondary batteries have voltages between 3.3 and 3.7V, but most commonly they are labeled as 3.6 V or 3.7 V batteries. This voltage difference is the result of several, often very similar chemistries, which provide different voltage, but also achieve specific purpose like improved safety, larger capacity, higher drain current and similar.

For more information about this batteries, check Cylindrical Lithium Batteries.

Here is a cross reference chart of common cylindrical batteries:

Diameter	Height	Equivalents/Replacements	Article	Amazon Search
8.0 mm	28.2 mm	A27, 27A, A27BP, G27A, GP27A, L828, MN27	-	A27 Battery
8.3 mm	42.5 mm	AAAA, MX2500, Mini, LR8D425, 25A, LR61	-	AAAA Battery
10.3 mm	28.5 mm	A23, 8LR932, 1811A, V23GA, MN21, 8LR23, A23S	A23 Battery Equivalents	A23 Battery
10.5 mm	44.5 mm	AAA, MN2400, MX2400, Micro, LR03, R03	-	AAA Battery
12.0 mm	30.2 mm	N, MN9100, LR1, R1, 910A, 910D, HR1, KR1	-	Size N Battery
13.0 mm	25.2 mm	4SR44, 4LR44, PX28A, A544, K28A, V34PX	-	4SR44 Battery
14.0 mm	25.0 mm	1/2 AA, 14250	-	14250 Battery
14.0 mm	40.0 mm	4/5 AA, 14430	-	14430 Battery
14.5 mm	50.5 mm	AA, MN1500, MX1500, LR6, R6, 15A, 15D	AA Batteries	AA Battery
17.0 mm	50.0 mm	A, R23, LR23	-	Size A Battery
21.5 mm	60.0 mm	B, R12, LR12, U10, 336	-	Size B Battery
22.2 mm	42.9 mm	Sub-C, 332, KR22C429, HR22C429	-	Sub-C Battery
26.2 mm	50.0 mm	C, MN1400, MX1400, 343, U11, LR14, R14, 14A, 14D	-	Size C Battery
33.0 mm	91.0 mm	F, R25, LR25	-	Size F Battery
34.2 mm	61.5 mm	D, MN1300, MX1300, LR20, R20, 13A, 13D, 373	-	Size D Battery

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Lithium Non-Rechargeable 3V Button/Coin Cell Batteries

Lithium button/coin cells are mostly primary (non-rechargeable) 3V batteries. Their negative electrode is lithium, while positive electrode is either manganese-dioxide or carbon-monofluoride.

Manganese-dioxide lithium batteries' labels start with 'C' and generally their operating temperature range is between -20°C (-4°F) and 70°C (158°F). Nominal voltage is 3.0 V, and a cutoff voltage is 2.0 V. Typical example is CR2032 battery, with typical capacity of ~225 mAh

Carbon-monofluoride lithium batteries' labels start with 'B' and generally their operating temperature range is -30°C (-22°F) and 85°C (185°F). Nominal voltage is 2.8 V, and a cutoff voltage is 2.25 V. Typical example is BR2032 battery, with typical capacity of ~190 mAh.

Generally BR#### and CR#### are interchangeable batteries - slight lower voltage of BR#### batteries is not problem, at least not for most common devices. But, for devices operating in extreme temperatures, BR#### batteries are recommended over CR#### batteries.

In recent time, rechargeable lithium button/coin cell batteries have appeared on the market. Their most common label is LiR#### and nominal voltage is 3.6 or 3.7 volts. Their capacity is much lower than non-rechargeable CR or BR batteries, but they can be charged and discharged many times (up to or even more than 1000 times).

For example, LiR2032 (or LIR2032, ML2032 etc.) capacity is in the 50-80 mAh range.

Replacing CR or BR types of batteries with LiR batteries should be done only if the device operates properly when being powered with 3.6V (instead of 2.8 or 3.0V). This 0.6V difference can cause operating issues and it can even damage certain devices.

On the other hand, 1000+ charging/discharging cycles can save plenty of money.

Here is a cross reference chart of common lithium 3V coin cell batteries:

Diameter	Height	Equivalents/Replacements	Article	Amazon Search
9.5 mm	2.7 mm	CR937, DL937	-	CR937 Battery
10.0 mm	2.5 mm	CR1025, DL1025, 5033LC	-	CR1025 Battery
11.5 mm	3.0 mm	CR1130, DL1130, BR1130, KL1130, L1130	-	CR1130 Battery
11.6 mm	10.8 mm	CR11108, CR1/3N, CR-1/3N, DL1/3N, 2L76	Lithium CR11108, CR1/3N, CR-1/3N Battery Equivalents and Replacements	CR11108 Battery
12.5 mm	1.6 mm	CR1216, DL1216, 5034LC	-	CR1216 Battery
12.5 mm	2.0 mm	CR1220, DL1220, SB-T13, 5012LC	-	CR1220 Battery
12.5 mm	2.5 mm	CR1225, DL1225, 5020LC	-	CR1225 Battery
16.0 mm	1.6 mm	CR1616, DL1616	Lithium CR1616, DL1616, BR1616, 5021LC 3V Battery Equivalents and Replacements	CR1616 Battery
16.0 mm	2.0 mm	CR1620, DL1620, 5009LC	-	CR1620 Battery
16.0 mm	2.5 mm	CR1625	-	CR1625 Battery
16.0 mm	3.2 mm	CR1632, DL1632	-	CR1632 Battery
20.0 mm	1.2 mm	CR2012, SB-T15	-	CR2012 Battery
20.0 mm	1.6 mm	CR2016, DL2016, E-CR2016, SB-T11, 5000LC	Lithium CR2016, BR2016, LiR2016, ECR2016, 5000LC Battery Equivalents and Replacements	CR2016 Battery
20.0 mm	2.0 mm	CR2020, BR2020, VL2020 (rechargeable)	CR2020/BR2020/VL2020 Battery Replacements and Equivalents	CR2020 Battery
20.0 mm	2.5 mm	CR2025, DL2025, BR2025, LiR2025, E-CR2025, SB-T14, 5003LC	Lithium CR2025, DL2025, E-CR2025, SB-T14, 5003LC, BR2025, LiR2025 Battery Equivalents and Replacements	CR2025 Battery
20.0 mm	3.2 mm	CR2032, DL2032, ECR2032, BR2032, E-CR2032, SB-T51, 5004LC, LiR2032	Lithium CR2032, DL2032, BR2032, ML2032, LiR2032, LR2032 Batteries - Equivalents and Replacements	CR2032 Battery
20.0 mm	4.0 mm	CR2040	-	CR2040 Battery
23.0 mm	2.0 mm	CR2320	-	CR2320 Battery
23.0 mm	2.5 mm	CR2325	-	CR2325 Battery
23.0 mm	3.0 mm	CR2330, BR2330	-	CR2330 Battery
23.0 mm	3.5 mm	CR2335, BR2335	-	CR2335 Battery
23.0 mm	5.4 mm	CR2354	-	CR2354 Battery
24.5 mm	1.2 mm	CR2412, BR2412, DL2412, ECR2412, KCR2412	CR2412/BR2412 3V Lithium Non-Rechargeable Batteries Equivalents and Replacements	CR2412 Battery
24.5 mm	3.0 mm	CR2430	-	CR2430 Battery
24.5 mm	5.0 mm	CR2450, 5029LC, DL2450, ECR2450, CR2450N, CR-2450, CR2450EL, CR-2450EL	Lithium CR2450 Battery - Brands, Equivalents and Replacements	CR2450 Battery
24.5 mm	7.7 mm	CR2477, DL2477, ECR2477, KCR2477, EB-CR2477, BR2477, LiR2477	Lithium CR2477 Battery - Equivalents and Replacements	CR2477 Battery
30 mm	3.2 mm	CR3032, BR3032	-	CR3032 Battery

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Cylindrical Lithium Batteries

Cylindrical lithium batteries are commonly rechargeable lithium batteries with nominal voltages between 3.3 and 3.7 volts (depending on the exact chemistry).

Some models come as both primary non-rechargeable lithium batteries with nominal voltage of 3 volts, and as secondary rechargeable lithium batteries - for example, CR2 and CR123A batteries come in both versions. Swapping these batteries should be done only after thoroughly checking the documentation of the used device, since 0.6 volts can cause issues or even damage.

When looking for cylindrical lithium batteries' equivalents, be sure to check battery size, chemistry and voltage, capacity, maximum charge and discharge current, top side type (certain models), presence of protective circuitry etc.

Top side type: some lithium batteries can come with button top side (positive), while some batteries of the same type can come with flat top side (positive).

Protective electronics: some models come with protective electronics, which monitors status and current parameters of the battery, like charging/discharging current and voltage, battery temperature, remaining charge etc and if required, shut off the battery to protect it. Such protective electronics decrease the capacity of the battery, but significantly improves the safety of lithium batteries.

Common names for these batteries depends on their construction, electrolytes and electrodes, but generally they are lithium ion, lithium polymer, lithium ion polymer, and similar.

Note: major differences between lithium iron phosphate (LiFePO4) batteries (LFP batteries) and ordinary lithium cobalt oxide (LiCoO2) batteries are that LFP batteries do not have safety concerns (overheating, catching fire, explosion) like common lithium batteries, that they have 4 to 5 times longer cycle lifetimes than lithium batteries and 8 to 10 times higher discharge power. They also have slightly lower voltage (3.2 - 3.3 V).

Lithium-air batteries theoretically provide energy densities comparable to that of gasoline, but they are IMHO not yet available for commercial use, at least not with such characteristics.

Here is a cross reference chart of cylindrical lithium batteries:

Diameter	Height	Equivalents/Replacements	Voltage	Article	Amazon Search
10.0 mm	18.0 mm	10180	3.6 V Li-Ion	-	10180 Battery
10.0 mm	28.0 mm	10280	3.6 V Li-Ion	-	10280 Battery
10.0 mm	44.0 mm	10440	3.6 V Li-Ion	-	10440 Battery
14.0 mm	25.0 mm	14250	3.6 V Li-Ion	-	14250 Battery
14.0 mm	43.0 mm	14430	3.6 V Li-Ion	-	14430 Battery
14.0 mm	53.0 mm	14500	3.6 V Li-Ion	-	14500 Battery
14.0 mm	65.0 mm	14650	3.6 V Li-Ion	-	14650 Battery
15.0 mm	27.0 mm	15270	3.6 V Li-Ion	CR2 Battery Equivalents and Replacements - CR2 Battery vs 15270 Battery	15270 Battery
15.6 mm	27.0 mm	CR2, 15270, 15266, 5046LC, CR15H270	3 V Lithium 3.6 V Li-Ion	CR2 Battery Equivalents and Replacements - CR2 Battery vs 15270 Battery	CR2 Battery
16.0 mm	34.0 mm	16340	3.6 V Li-Ion	-	16340 Battery
16.0 mm	65.0 mm	16650	3.6 V Li-Ion	-	16650 Battery
17.0 mm	34.5 mm	CR123A, CR17345, 2/3A, 123, CR123, 17340, 17345, 16340	3 V Lithium 3.6 V Li-Ion	Best CR123A Battery - Rechargeable vs Non-Rechargeable Lithium CR123A Batteries	CR123A Battery
17.3 mm	50.0 mm	17500	3.6 V Li-Ion	-	17500 Battery
17.0 mm	67.0 mm	17670	3.6 V Li-Ion	-	17670 Battery
18.0 mm	35 mm	18350	3.6 V Li-Ion	-	18350 Battery
18.0 mm	49.0 mm	18490	3.6 V Li-Ion	-	18490 Battery
18.0 mm	49.8 mm	18500	3.6 V Li-Ion	-	18500 Battery
18.6 mm	65.2 mm	18650	3.6 V Li-Ion	How to Pick the Best 18650 Battery and Charger	18650 Battery
19 mm	67.0 mm	19670	3.6 V Li-Ion	-	19670 Battery
20 mm	70 mm	20700	3.6 V Li-Ion	-	20700 Battery
21 mm	70 mm	21700	3.6 V Li-Ion	-	21700 Battery
24.3 mm	49.2 mm	25500	3.6 V Li-Ion	-	25500 Battery
26.5 mm	65.4 mm	26650	3.6 V Li-Ion	26650 Batteries and Chargers	26650 Battery
32 mm	61.9 mm	32600	3.6 V Li-Ion	-	32600 Battery
32 mm	67.7 mm	32650	3.6 V Li-Ion	-	32650 Battery

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Small Rectangular Batteries

Small rectangular batteries come in various sizes and chemistries. Some of them are being slowly phased out, but some are still quite common.

Again, if more than one nominal voltage is available due to the different chemistries, check the documentation of your device for supported nominal voltages/chemistries.

Here is a cross reference chart of most common small rectangular batteries:

Height	Length	Width	Equivalents/Replacements	Voltage	Article	Amazon Search
36 mm	35 mm	19.5 mm	CR-P2, BR-P2, 5024LC, 223A, CR17-33	6 V (2x3 V Lithium)	-	CR-P2 Battery
45 mm	34 mm	17.0 mm	2CR5, 5032LC, EL2CR5, DL245	6 V (2x3 V Lithium)	-	2CR5 Battery
48.5 mm	26.5 mm	17.5 mm	9-volt, E battery, PP3, 6LR61, 6F22, 1604A, 1604D, MN1604	9 V (6 x 1.5 V) 9 V (3 x 3 V)	9V E, 6F22 Battery Equivalents	9-volt Battery
48.5 mm	35.6 mm	9.18 mm	J battery, 7k67, 4LR61, 1412A	6 V (4 x 1.5 V)	-	Size J Battery
52.2 mm	28.05 mm	14.15 mm	CR-V3, 5047LC, 5047LF, CRV3, RCR-V3	3 V Lithium 3.6 V Li-Ion	-	CR-V3 Battery
57.0 mm	35.0 mm	7.0 mm	CP1, CP3553, DLCP1, DL-CP1C, EN-EL5	3 V Lithium 3.6 V Li-Ion	-	CP1 Battery
67.0 mm	62.0 mm	22.0 mm	4.5-volt, 4.5 V, MN1203, 3LR12, 3R12, 3336	4.5 V (3 x 1.5 V)	-	3LR12 Battery
109.5 mm	66.7 mm	66.7 mm	6-volt Lantern (Screws), 4R25X, 915, 915A	6 V (4 x 1.5 V)	-	6-volt Lantern Screws Battery
115 mm	68.2 mm	68.2 mm	6-volt Lantern (Springs), MN908, 4LR25Y, 908A, 908D	6 V (4 x 1.5 V)	-	6-volt Lantern Springs Battery

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Odyssey Group 34 AGM Batteries - Models 34-PC1500, 34R-PC1500, 34M-1500 and 34/78-PC1500

odyssey 34 pc1500t m Odyssey Group 34 batteries are Odyssey 34-PC1500, Odyssey 34R-PC1500, Odyssey 34M-1500 and Odyssey 34/78-PC1500 batteries, featuring similar electrical features, with differences mostly being in the terminals arrangements.

Odyssey Group 34 batteries are true dual purpose battery, suitable for use in the automotive and marine applications, of-the-grid, medical and security systems and other situations where durable and reliable source of power is required. As usual, Odyssey Group 34 batteries are not the cheapest group 34 batteries on the market ...

LR43, SR43, LR1142, SR1142, AG12, 386, 301 Battery Equivalents and Replacements

renata 386 battery 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.

VMAXTANKS XTR34-75 12V 75Ah Deep Cycle AGM Battery

vmaxtanks xtr35 75 m VMAXTANKS XTR34-75 is BCI group 34, deep cycle AGM battery, suitable for use as automotive, marine, wheelchair battery, or it can be used in various, both standby and cycling applications.

Although labeled as deep cycle battery, this versatile battery is true dual purpose battery, being able to provide large currents, but also tolerates frequent deep discharges. However, as the depth of discharges is increased, so does its number of cycles decreases - similarly to all other AGM batteries. Nonetheless, it is tough and durable battery, thus it is not the cheapest 75 Ah 12V AGM battery on the market...

Lithium CR2477 Battery - Equivalents and Replacements

sony cr2477 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 CR2450 Battery - Brands, Equivalents and Replacements

cr2450 m 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.

Mighty Max ML55-12 12V 55Ah AGM Deep Cycle Battery

mighty max ml55 12 m Mighty Max ML55-12 AGM battery is 12V 55Ah general purpose, deep cycle AGM (Absorbent Glass Mat) SLA (Sealed Lead Acid) battery. It features high vibration resistance and spill proof design, allowing it to be used virtually in any position.

Mighty Max ML55-12 AGM battery is commonly used as mid-size trolling motor battery, fish finder battery, for off-the-grid applications, backup and security systems, etc.

CR2 Battery Equivalents and Replacements - CR2 Battery vs 15270 Battery

cr2 m 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.

SR416, SR416SW, SR416S, 337, LR416 Battery Equivalents and Replacements

sr416sw 337 m 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.

VMAXTANKS 4D AGM Batteries Comparison - VMAXTANKS XTR4D-200 vs. VMAXTANKS MB197-200 vs. VMAXTANKS MR197-200

vmaxtanks mb197 200 m VMAXTANKS XTR4D-200, VMAXTANKS MB197-200 and VMAXTANKS MR197-200 are a group of 12V 200Ah, AGM SLA, Group 4D batteries. These are large, sturdy and heavy batteries, being able to store plenty of energy, ready to be delivered when required at the moment notice.

Although these batteries are very similar in size, weight and performance, they also differ in certain details that may be important for future user...

Best CR123A Battery - Rechargeable vs Non-Rechargeable Lithium CR123A Batteries

cr123a m 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.

Group 27 Batteries - Dimensions, Features and Recommendations

vmaxtanks mr127 100 m Group 27 batteries are rather large and powerful batteries, featuring 20h capacity in 66-110 Ah range, providing 600-1000 CCA, 140-220 minutes RC etc. Their weight depends on the internal construction and it ranges between 54 and 70 pounds (24.5 - 32 kg).

Group 27 batteries physical dimensions depends on the exact battery group because there are three different, although very similar battery groups: Group 27, Group 27F and Group 27H, although they are often labeled as Group 27 Batteries.

NorthStar AGM BCI Group 27 Batteries - NSB-AGM27, NSB-AGM27F and NSB-AGM27M Batteries

northstar group 27 batteries m

NorthStar NSB-AGM27, NSB-AGM27F and NSB-AGM27M are versatile, dual purpose, BCI Group 27 batteries, designed to be durable and reliable power source for even the most demanding applications.

NortStar NSB-AGM27, NSB-AGM27F and NSB-AGM27M batteries are essentially the same battery, differing only in their terminal posts - depending on their intended use.

Lithium CR1616, DL1616, BR1616, ECR1616, 280-209, GPCR1616, LiR1616, KCR1616, 5021LC 3V Battery Equivalents and Replacements

cr1616 battery equivalent m 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.

VMAXTANKS MR-107, MB-107 and SLR-85 AGM Deep Cycle Batteries

vmaxtanks 85 ah group24 m

VMAXTANKS MR-107, MB-107 and SLR-85 are BCI Size 24, AGM SLA deep cycle batteries.

These batteries feature nominal capacity of 85 Ah and nominal voltage of 12 volts. Physically they are very similar, but nonetheless, they also differ in several very important details depending on their intended purpose.

VMAXTANKS MR127-100 AGM Deep Cycle Battery

vmaxtanks mr127 100 m VMAXTANKS MR127-100 battery is AGM SLA, 12V 100 Ah, deep cycle, high performance battery, often used for marine, automotive and other off-the-grid applications.

VMAXTANKS MR127-100 battery is BCI Group 27 battery, featuring robust, spill-proof design, heavy duty lead tin plates, long shelf life, low self-discharge rate etc.

CR11108, CR1/3N, CR-1/3N, DL1/3N, 2L76, 2LR44 3V Lithium Non-Rechargeable Battery Equivalents and Replacements

cr11108 lithium m 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.

DieHard 38232 Advanced Gold AGM Group 34 Battery

diehard 38232 gp34 m DieHard 38232 Advanced Gold AGM Group 34 Battery is designed as starting battery for cars, trucks, RVs and similar vehicles.

DieHard 38232 is maintenance-free, spill-proof, AGM battery, with improved resistance to vibrations and increased cycle life.

Optima Batteries D27M BlueTop and D27F YellowTop Starting and Deep Cycle Batteries

optima d27 m f m 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.

CR2020/BR2020/VL2020 Battery Replacements and Equivalents

cr2020 battery m 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 3V Lithium Non-Rechargeable Batteries Equivalents and Replacements

cr2412 m 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.

26650 Battery - Dimensions, Chargers, and Flashlights

26650 battery m 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.

Non-Rechargeable vs. Rechargeable Hearing Aid Batteries: Size 10, 312, 13, 675 Hearing Aid Batteries

hearing aid batteries m 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...

SR57, LR57, 395, 399, SR927W, SR927SW, SR927PW, SR927, SR926, LR927, LR926, SG7, AG7 Battery Equivalents and Replacements

395 399 energizer 1 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 - Size, Types and Equivalents

aa battery m 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.

Group 31 Batteries - Dimensions, Features and Recommendations

odyssey 31m pc2150st m battery m 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.

370, 371, LR69, LR920, LR921, SR69, SR920SW Battery Equivalents and Replacements

sr920sw m 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.

364, AG1, LR621, SR621SW Battery Equivalents and Replacements

364 sr621sw battery equivalent m 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.

Optima RedTop 34, 34R, 34/78, Optima YellowTop D34, D34/78 and Optima BlueTop 34M, D34M Batteries Comparison

Optima batteries are 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 daunting task, but it shouldn't. Read more ...

Battle Born 100 Ah LiFePO4 12 Volt Deep Cycle Battery

battleborn 100ah 12v lifepo4 battery m Battle Born 100 Ah LiFePO4 12 Volt Deep Cycle Battery is 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 monitors 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.

Wrist Watch Battery Replacement Chart

376 377 sr626sw battery m Wrist watches are commonly powered using one or rarely two button/coin cell batteries, and these batteries have limited operating lifetime. When replacing old battery with the new one, the best practice is to use batteries recommended by watch manufacturer.

However, finding exact type and model can be sometimes confusing due to 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.

LR521, LR63, SR521, SR521S, SR521SW, SR63, 379, SG0, AG0 Battery Equivalents and Replacements

379 renata battery m 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.

Optima 8052-161 D31M BlueTop Dual Purpose Marine Battery

optima 8052 161 d31m m Optima 8052-161 D31M BlueTop Dual Purpose Marine Battery is very popular starting and deep cycle battery for marine and automotive applications. It is maintenance free and spill-proof SLA 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.

Odyssey 31M-PC2150 AGM Marine Dual Purpose Battery Review and Recommendation

odyssey 31m pc2150st m battery m Odyssey 31M-PC2150 is BCI group 31 battery, designed as dual purpose battery. As starting battery it can easily provide 1000+ CCAs and as deep cycle battery it comes with 205 min RC rating.

Odyssey 31M-PC2150 is 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 one of the best batteries in its class (if not the best) and worth every (euro)cent.

Pick the Best 1000 CCA (Cold Cranking Amps) Marine Battery

1000cca battery

Marine batteries are designed to operate in tough conditions due to vibrations and other mechanical stress, they must be able to power various electric and electronic devices and when the main engine must be started, they must be able to provide large currents in order to start large, often multiple gasoline or even diesel engines even when not fully charged. Such requirements significantly reduce the number of potential 1000 CCA marine battery models.

CCA (Cold Cranking Amps), CA (Cranking Amps) or MCA (Marine Cranking Amps) and HCA (Hot Cranking Amps) define the maximum current that a battery is able to provide under certain conditions.

Lithium CR2025, DL2025, E-CR2025, SB-T14, 5003LC, BR2025, LiR2025 Battery Equivalents

cr2025 battery m 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 battery, PP3, 6LR61, 6F22, 1604A, 1604D, MN1604 Battery Equivalents and Replacements

9v duracell m 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, 8LR932, 1811A, V23GA, MN21, 8LR23, A23S Battery Equivalents and Replacements

a23 battery m 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 Battery Equivalents

376 377 sr626sw battery m 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.

How to Choose the Best Trolling Motor Battery

upg ub121000 deep cycle m With all the available battery models and brands on the market, finding suitable trolling motor battery often can be daunting task, but it shouldn't be. But before getting new battery or battery pack, one should first write down few things, including size and weight of the boat, motor strength, required trolling time and of course, the funds allocated for the new trolling motor battery.

BCI Battery Group Size Chart

diehard 38217 300px Knowing exact BCI group battery size helps finding new battery replacement, however, knowing just BCI group size is often not enough.

Batteries also differ by their:

- purpose: starting, dual purpose, deep cycle,
- cell type: AGM, gel cell, flooded cell,
- chemistry: lead-acid, NiCd, NiMH, lithium, etc.

Knowing all these information significantly helps finding proper battery replacement.

Battery Terms and Abbreviations - Glossary

energizer charger 150px When describing batteries and their features and characteristics, many abbreviations are used.

Knowing their meanings is very important, because that is the difference between getting the right battery and the wrong battery. And the wrong battery often can cause much more damage than its money worth ...

The Best RV Deep Cycle Battery

optima d34m 150px Deep cycle batteries for recreational vehicles (RVs) have very important purpose - they power onboard electronics and electrical devices while the vehicle's main motor is not working, while being off the grid. RV deep cycle batteries must tolerate deep discharge conditions and cyclic use, but they also must be resistant to vibrations, high and low temperatures, no usage for long time (sometimes for months) etc.

And since these batteries are far from being cheap, it is really important to choose them properly, according to the individual needs and requirements.

Lithium CR2032, DL2032, BR2032, ML2032, LiR2032, LR2032 Batteries - Equivalents and Replacements

cr2032 battery m 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.

How to Pick the Best 18650 Battery and Charger

samsung inr18650 25r battery m 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 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, SG13, LR1154, SR44, SR44SW, 303, 357, A76, LR44 Battery Equivalents

lr44 energizer battery m 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.

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