Best 4 V Batteries in 2026

High Quality Alkaline Batteries：This alkaline button cell battery provides long power life and excellent continuous power sources to your device

Voltage remains stable even for long periods of discharge, which improves the reliability of equipment that use the battery. Superb characteristics over a wide temperature range

Leakage Free & Safe - ISO9001, SGS, safety certificates passed. No leakage during 5 years warranty period. 10pcs well sealed in a card while Each battery is separated packaged to avoid + and - short circuit problem

High-power lithium 3V coin battery - 8PACK Beidongli CR2450 can more efficiently extend the life of your device.

Work in - remote control, calculator, watch, key input, computer motherboard, pedometer, PDA, electronic notepad, garage door opener, game machine, toys. MP3 player, recorder, LED light, pet collar, calorie counter, medical equipment, etc.

Save your time - The high-quality CR2450 battery will make your device have a longer service life, so you don't need to replace it frequently when you use it.

HIGH POWER LITHIUM 3V COIN BATTERY - Are you looking for a lithium button cell to replace the battery in your calculator or another device? 10PACK Beidongli CR2032 can more efficiently extend the life of your device. Getting these 10 super batteries will never disappoint you, and you'll never have to rush to the store to buy batteries again, which means that you can forget your battery for a long time.

BATTERY PACK EXCLUSIVELY DESIGNED FOR SMALL ELECTRONIC DEVICES - Beidongli CR2032 provides excellent performance for all your small electronic devices. Sealed packaging design is more convenient and safer for use. It applies to remote controls,

calculators, watches, key inputs, computer mainboards, pedometers, PDAs, electronic notepads, garage door openers, game consoles, toys. MP3 players, recorders, LED lights, pet collars, calorie counters, medical devices, and so on.

HIGH POWER LITHIUM 3V COIN BATTERY - Are you looking for a lithium button cell to replace the battery in your calculator or another device? 20PACK Beidongli CR2025 can more efficiently extend the life of your device. Getting these 20 super batteries will never disappoint you, and you'll never have to rush to the store to buy batteries again, which means that you can forget your battery for a long time.

Application: toys, remote control, tea candles, watches, computer. Calculator, IC card, electronic key and other electronic equipment. Type sharing: DL2025, CR2025N, ECR2025, BR2025, BR2025-1W, CR2025N, KCR2025, LM2025

BATTERY PACK EXCLUSIVELY DESIGNED FOR SMALL ELECTRONIC DEVICES - Beidongli CR2025 provides excellent performance for all your small electronic devices. Sealed packaging design is more convenient and safer for use. It applies to remote controls

1、Beidongli brand Batteries , High quality and performance.

2、3.0 Nominal Voltage,Lithium Manganese-Dioxide Coin Cell Battery .

3、High Capacity 140mAh, Diameter 16mm, Height 3.2mm. 5 year shelf life.

Beidongli brand Batteries , High quality and performance.

3.0 Nominal Voltage,Lithium Manganese-Dioxide Coin Cell Battery .

High Capacity 50mAh, Diameter 16mm, Height 1.6mm. 3 year shelf life.

HIGH POWER LITHIUM 3V COIN BATTERY - Are you looking for a lithium button cell to replace the battery in your calculator or other device? 10PACK Beidongli CR2016 can more efficiently extend the life of your device. Getting these 10 super batteries will never disappoint you, and you'll never have to rush to the store to buy batteries again, which means that you can forget your battery for a long time.

BATTERY PACK EXCLUSIVELY DESIGNED FOR SMALL ELECTRONIC DEVICES - Beidongli CR2016 provides excellent performance for all your small electronic devices. Sealed packaging design is more convenient and safer for use. It is applicable to: remote controls, calculators, watches, key inputs, computer mainboards, pedometers, PDAs, electronic notepads, garage door openers, game consoles, toys. MP3 players, recorders, LED lights, pet collars, calorie counters, medical devices, and so on.

PERMANENT LEAK-FREE HIGH-END ENVIRONMENT FRIENDLY BATTERY - Are you worried about the performance and safety of the coin battery? Are you tired of cheap coin batteries that run out of power for a few days or less? Please use the Beidongli high performance battery pack. We assure you that there will never be leakage, and the unique electrolyte formula can enable your device to work up to two years. High quality CR2016 battery makes your device last longer, which has high quality and costs reasona

Lithium Coin Battery:cr2430 3V coin batteries provide reliable, long lasting power for your medical devices, security devices, electronics and more.

Long Lasting Power: Angineered for long lasting performance.

Guaranteed for 5 years in Storage: Beidongli Lithium Coin batteries are guaranteed for 5 years in storage.

【High quality batteries】 - 55mAh .These A23 12V alkaline batteries provide long life and excellent continuous power sources for your device.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【Stable voltage】 - remains stable even with prolonged discharge, improving the reliability of devices that use the battery. Excellent properties over a wide range of -20℃-60℃.

【High quality batteries】 - 50mAh .These A27 12V alkaline batteries provide long life and excellent continuous power sources for your device.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【Stable voltage】 - remains stable even with prolonged discharge, improving the reliability of devices that use the battery. Excellent properties over a wide range of -20℃-60℃.

High Quality Alkaline Batteries - This alkaline coin cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period.8 pcs well sealed in one card while each battery is packed separately to avoid + and - short circuit problem.

Multiple Compatibility - Equivalent to other models : LR927,399 D399,399 W,V399,AG7,V543,399,613,GP399,SR57, SR927SW

High Quality Alkaline Batteries - This alkaline button cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period. 10pcs well sealed in one card while each battery is packed separately to avoid + and - short circuit problem.

Multiple Compatibility - 40 pieces button cell SR621SW Alternative item names: LR621, D364, SP364, 602,164, 280-34, SB-AG/DG, SR60, SR60L, SR621, GP364, T, V364.

High Quality Alkaline Batteries - This alkaline coin cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period. 20pcs well sealed in one card while each battery is packed separately to avoid short circuit problem.

Multiple Compatibility - Equivalent to other models : 40 pieces button cell SR920SW replace Item name：371、370、SR920SW、1188SO、SR69、SP370、1171SO、SP371、V371、V370、G64、LR920、AG6、605、AG6、605

High Quality Alkaline Batteries - This alkaline button cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period. 10pcs well sealed in one card while each battery is packed separately to avoid + and - short circuit problem.

Multiple Compatibility - 20 pieces button cell SR621SW Alternative item names: LR621, D364, SP364, 602,164, 280-34, SB-AG/DG, SR60, SR60L, SR621, GP364, T, V364.

【High quality batteries】 - 55mAh .These A23 12V alkaline batteries provide long life and excellent continuous power sources for your device.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【Stable voltage】 - remains stable even with prolonged discharge, improving the reliability of devices that use the battery. Excellent properties over a wide range of -20℃-60℃.

【High quality batteries】 - 55mAh .These A23 12V alkaline batteries provide long life and excellent continuous power sources for your device.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【Stable voltage】 - remains stable even with prolonged discharge, improving the reliability of devices that use the battery. Excellent properties over a wide range of -20℃-60℃.

【Stable voltage】 - remains stable even with prolonged discharge, improving the reliability of devices that use the battery. Excellent properties over a wide range of -20℃-60℃.

【High quality batteries】 - 50mAh .These A27 12V alkaline batteries provide long life and excellent continuous power sources for your device.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【Works for】 -Ideal for garage door opener, remote control for car alarm, ceiling fan, home alarm system, doorbell, window security sensor, flashlight, remote control for fireplace.

【Leakage Free and Safe】- ISO9001, SGS, passed safety certificates. No leakage during 3-year warranty period.5 piece well sealed in one card while each battery is packed separately to avoid short circuit problem.

【High quality batteries】 - 50mAh .These A27 12V alkaline batteries provide long life and excellent continuous power sources for your device.

High Quality Alkaline Batteries - This alkaline coin cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period. 10pcs well sealed in one card while each battery is packed separately to avoid short circuit problem.

Multiple Compatibility - Equivalent to other models : 40 pieces button cell SR920SW替代Item name：371、370、SR920SW、1188SO、SR69、SP370、1171SO、SP371、V371、V370、G64、LR920、AG6、605、AG6、605

Stable voltage - remains stable even with prolonged discharge, which improves the reliability of devices using the battery. Outstanding properties over a wide temperature range

High Quality Alkaline Batteries - This alkaline coin cell battery offers long life and excellent continuous power sources for your device.

Multiple Compatibility - Equivalent to other models : LR927,399 D399,399 W,V399,AG7,V543,399,613,GP399,SR57, SR 927SW

High Quality Alkaline Batteries - This alkaline button cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period. 10pcs well sealed in one card while each battery is packed separately to avoid + and - short circuit problem.

Multiple Compatibility - 40 pieces button cell SR621SW Alternative item names: LR621, D364, SP364, 602,164, 280-34, SB-AG/DG, SR60, SR60L, SR621, GP364, T, V364.

High Quality Alkaline Batteries：This alkaline button cell battery provides long power life and excellent continuous power sources to your devic

Leakage Free & Safe - ISO9001, SGS, safety certificates passed. No leakage during 3 years warranty period. 10pcs well sealed in a card while Each battery is separated packaged to avoid + and - short circuit problem.

Multiple Compatibility - Equivalent to other models : LR1130, LR54, LR54, AG10, 1168A, 389A, 390A, D189, 189, D189A, G10, G10A, GP189, GP89A, KA54, L1131, LR1130, LR54, V10GA, BLR54, B-LR54, D189, D189A, D189AB, RW89

High Quality Alkaline Batteries - This alkaline coin cell battery offers long life and excellent continuous power sources for your device.

Leakage Free and Safe - Passed ISO9001, SGS, Safety Certificates. No leakage during 3 years warranty period 10 pcs well sealed in one card while each battery is packed separately to avoid + and - short circuit problem.

Multiple Compatibility - Equivalent to other models : LR927,399 D399,399 W,V399,AG7,V543,399,613,GP399,SR57, SR 927SW

Leakage Free & Safe - ISO9001, SGS, safety certificates passed. No leakage during 3 years warranty period. 10pcs well sealed in a card while Each battery is separated packaged to avoid + and - short circuit problem.

Multiple Compatibility - Equivalent to other models : LR1130, LR54, LR54, AG10, 1168A, 389A, 390A, D189, 189, D189A, G10, G10A, GP189, GP89A, KA54, L1131, LR1130, LR54, V10GA, BLR54, B-LR54, D189, D189A, D189AB, RW89

High Quality Alkaline Batteries：This alkaline button cell battery provides long power life and excellent continuous power sources to your devic

200 Pack High Quality Alkaline Batteries：This alkaline button cell battery provides long power life and excellent continuous power sources to your device

Voltage remains stable even for long periods of discharge, which improves the reliability of equipment that use the battery. Superb characteristics over a wide temperature range

Leakage Free & Safe - ISO9001, SGS, safety certificates passed. No leakage during 5 years warranty period. 200 pcs well sealed in a card while Each battery is separated packaged to avoid + and - short circuit problem