The Fenix ARB-L14-1600U is a Li-ion AA battery features a standard 1.5 Volt output with 1600mAh capacity. The high capacity battery is capable of charging directly via  Built-in Micro USB Port. The battery is outfitted with a PCB unit that regulates power, charging and eliminates the potential risk of short circuit caused by collision and impact. This new battery has both power and flexibility.
Features:
- Micro-USB charging port allows battery to be charged without the use of a conventional charger (Micro-USB Cable NOTIncluded)
- Advanced protection circuit built into the anode to prevent overcharging, over-discharging, and short circuiting
- Three different sets of overheat protection
- Pressure Relief Valve Protection
- Separate Micro-Porous Protection
- PTC Cathodal Block Protection
- Multicolored LED power indicator glows red while battery is charging, green when charging is complete
Specifications:
- Battery Size:Â AA
- Battery Chemistry:Â Lithium Ion (Li-Ion)
- Nominal Voltage:Â 1.5V
- Nominal Capacity:Â 1600 mAh
- Charging Input:Â Micro-USB 5V / 1.0A
- Estimated Charge Cycles:Â 500 cycles
- Dimensions:
- Length - 50 mm
- Diameter - 14.5 mm
- Weight:Â 19g
Note: This battery does not contain retail packaging.