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Fenix ARB-L18 2600U

Fenix ARB-L18 2600U USB Rechargeable 18650 Lithium-ion Battery

The Fenix ARB-L18-2600U is a Li-ion 18650 battery features a standard 3.6 Volt output with 2600mAh capacity. The high capacity battery is capable of being charged in either a standard charger or directly via  Built-in Micro USB Port. The battery is outfitted with a PCB unit that regulates both power,charging and eliminates potential risk of short circuit caused by collision and impact. This new battery has both power and flexibility.


  • Micro-USB charging port allows cell to be charged without conventional charger (Micro-USB Cable NOT Included)
  • Still capable of being charged in normal Li-Ion battery chargers
  • Three sets of overheat protection
    • Pressure Relief Valve Protection
    • Separate Micro-porous Protection
    • PTC Cathodal Block Protection
  • Sophisticated protection circuit built into the anode
  • Multicolored LED power indicator glows red while battery is charging, green when fully charged


  • Battery Size: 18650
  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Nominal Voltage: 3.6V
  • Nominal Capacity: 2600 mAh
  • Max Charging Current: 2.0A (Charger), 1.0A (USB)
  • Recommended Charging Current: 1.0A (Both Charger and USB)
  • Estimated Charge Cycles: 500 cycles
  • Dimensions:
    • Length - 70 mm
    • Diameter - 8.6 mm
  • Weight: 50 g
Note: This battery does not contain retail packaging.
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