3.7V 18650 rechargeable batteries

18650 rechargeable batteries are designed for electronic devices requiring single or dual battery power. The built-in protection circuit board (PCB) of 18650 battery pack effectively extends battery life, enhancing the overall durability of the device. They are particularly suitable for tactical flashlights, portable fans, and similar devices. Even if the original battery is a flat-top model, their multi-protection mechanism ensures stable and safe performance during daily use. Below are Datapower’s curated 18650 battery collections , meeting diverse power supply needs.