Fenix Battery 18650 ARB-L18-3500U Micro-USB Li-ion Rechargeable

The ARB-L18-3500U 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.

Features: 

• Micro-USB charging port
• Multiple protection
• Short circuit protection
• 500 charge cycles
  
• Dimension: Length 70mm, Diameter 18.6mm
  
  

Warranty: 

1-year warranty from the date of purchase. Overdischarging or battery leakage is not covered nor is fast draining of battery while using. Please keep the voltage of all Li-Ion batteries above 3.8V for healthy storage. Recharge as soon as possible when you have run them down. Storing a depleted ( less than 3.2V open voltage ) battery may damage/ shorten life/cycle permanently. 

See in the official website: http://www.fenixlight.com/ProductMore.aspx?id=2241&tid=16&cid=32#.XYQ4nFUzaUk