4Sevens Rechargeable Lithium-Ion 26650 Battery 3.7V 3900mAh with PCB

This is a lithium-ion rechargeable 26650 battery. Its capacity is 3900mAh and its voltage rating is 4.2V when fully charged. The only charger we carry that is compatible for charging this battery is our 4Sevens Single-Bay Smart Charger. With our smart charger, the 26650 battery should be charged at the 4.2V and 1A settings. This 26650 battery is intended to be used with our Maelstrom S12 flashlight. Warranty for Consumables: Since the 26650 battery is considered a "consumable" 4Sevens product, its warranty is 12 months. Please see our Warranty page for information about our 4Sevens warranties.