Fenix 18650 USB Rechargeable Battery, 3500mAh – F FX-ARBL183500U

The ARB-L18-3500U battery can be charged by its built-in USB port or by an external battery charger as well. 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.

Features:

• Fenix ARB-L18-3500U mAh USB Rechargeable 18650 Battery Micro USB charging port lets you charge the battery directly
• Button-Top Design
• Protection circuit built in the anode with a riveted steel hat
• Riveted steel shell eliminates the risk of short circuit caused by collision and impact
• Pressure Relief Vent – Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding
• Three Sets of Over-Heat Protection: Overcharge protection, Over-discharge protection, Short-circuit protection, and overheating protection
• 500 Charge Cycles – A properly maintained ARBL18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles
• USB Cable NOT included