Short product description:
Single rechargeable XTAR 18650-4000 lithium-ion cell with nominal voltage 3.6 V and capacity 4000 mAh. Physical dimensions are 69.2 mm height and 18 mm diameter. Designed for devices that accept 18650 cells such as flashlights, power banks and electronics. Provides high-capacity energy storage; follow handling warnings to avoid contact with battery contents.