The ARB-L16-700U battery can be charged by its own USB port and by the 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.
·Micro-USB charging port
·Short circuit protection
·500 charge cycles
2 pcs Fenix ARB-L16-700U USB Rechargeable 700mAh Rechargeable Li-ion 16340 RCR123A Battery