Fenix ARB-L18-2600U Direct USB rechargeable 18650 3.6v Li-ion 3.6v 2600mAh Battery

The ARB-L18-2600U battery can be charged by its own USB port. A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated.FeaturesMicro-USB charging port with LED to indicate if battery is done charging.Protection circuit built in the anode with a steel hat by riveting processMultiple protection with Pressure Relief VentShort circuit protection, Over charge protection, Over discharge protection500 charge cycles (A properly maintained battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles) SpecificationModel: ARB-L18-2600u | Battery Type: 18650 rechargeable | Chemistry: Li-ion | Capacity: 1600mAh | Voltage:3.6vCharging : ONLY via ON-BOARD USB Port (Charging via a standard charger is BANNED)Charging current by charger : 1A (recommended) 2A (maximum)Charging current by on-b