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: AA
• Battery Chemistry: Lithium Ion (Li-Ion)
• Nominal Voltage: 1.5V
• Nominal Capacity: 1600 mAh
• Charging Input: Micro-USB 5V / 1.0A
• Estimated Charge Cycles: 500 cycles
• Dimensions:
• Length - 50 mm
• Diameter - 14.5 mm
• Weight: 19g