Power various high-drain electronic devices, including LED flashlights, with this Olight 18650 Li-Ion Rechargeable Battery. The cell features 3.6V of output power, a 3600mAh capacity, and a 12.96Wh rating. A built-in protection circuit safeguards against excessive voltage and charge/discharge current while helping to prevent short-circuiting. Additionally, the battery's safety-conscious design helps ensure that the liquid electrolyte inside will not leak. Made for high efficiency and durability, the 18650 cell has low internal impedance and lasts for up to 500 charge/discharge cycles. It is also capable of maintaining its charge in low temperatures. The battery is delivered in clamshell packaging.