1S 3.7V 3400mAh Li-ion battery with JST SM 2pin connector alarm battery Chemistry: NiMH (Nickel Metal Hydride)

Chemistry: NiMH (Nickel Metal Hydride)

Will not charge batteries if the cells have less than 0

Depending on the battery polarity required by your toothbrush model

High 2600mAh capacity for longer device runtime

Please note these are NOT A REPLACEMENT for the older type 4 x D size NiMH battery packs as these are smaller and higher voltage

1S 3.7V 3400mAh Li-ion battery with JST SM 2pin connector alarm battery Chemistry: NiMH (Nickel Metal Hydride)These 3. 7V lithium ion battery pack is commonly used in various portable electronic devices such as CCTV, alarm systems, tablets, handheld lighting, portable speakers, handheld gaming consoles and many more. It provides a reliable power source for these devices, allowing them to operate efficiently without being tethered to a power outlet. Additionally, these battery packs are also used in small hobby projects, remote controlled toys, and some low