CBJJ 21700 3.7V Battery Rechargeable Batteries High Capacity 8 Pack High Performance Replacement Battery Design for Flashlight, Headlamp, Toys

CBJJ 21700 3.7V Battery Rechargeable Batteries High Capacity 8 Pack High Performance Replacement Battery Design for Flashlight, Headlamp, Toys

【Product Dimension】Flat Top Size with 2.76c x0.83 x0.83 inches (70 x21 x21 mm). Please Note: It is the 3.7Volt AA or AAA batteries. Please confirm the battery model and size you need before purchasing so that the battery is correctly compatible with your device 【Stable Output】 This 3.7V 21700 battery has a larger capacity, which can provide stable power for your devices to supports a stable 3.7v voltage output, ensuring more stable and safe operation of your devices 【Widely Compatible】 The higher capacity battery is compatible with a wide range of indoor as well as outdoor devices, such as headlamps, flashlights, doorbells, remote controls, small fans. Alarm clocks, street lights, garden lights, doorbells, toys, etc 【High Performance】 This aaa rechargeable battery has no memory effect, can carry out more than 1000 complete charge & discharge cycles with a long service life, is the ideal replacement battery for high-frequency equipment 【Multiple Protections】Our 3.7v rechargeable battery features multiple intelligent protection, including temperature, short circuit and overcharge protection, which ensure the battery remains stable and your device stays protected at all times 【Warm Tips】 Please fully charge the battery before using when receiving it. When the battery power is too low, please charge it in time, which will help to prolong the service life of the battery 21700 3.7V Battery Rechargeable Batteries 21700 3.7 Volt Flat Top Battery Design for Flashlight, Headlamp, Toys