Rechargeable 18650 Li-ion Batteries

The most important part of buying your 18650 battery is choosing the right one. 18650 3.7V Li-Ion Rechargeable Batteries come in various versions with different lengths and different positive terminals, some with built in protection some without. There is a slightly raised button top terminal or an industrial flat top. Please check the battery in your equipment to ensure you order the correct battery.
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