Fenix ARB-L16 700U 16340 Li-ion Build-In USB Charging Port Rechargeable Battery

The ARB-L16-700U, 16340 type 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.

**This battery will not power the E18R turbo mode ( please choose our ARB-L16-700UP for use in the E18R)


In stock


  • Type 16340 Rechargeable Battery
  • 700mAh high capacity
  • Micro USB charing port lets you charge the battery directly using regular micro USB cable
  • 500 charge cycles can be expected from a properly maintained battery
  • Protection Circuit in the Anode to prevent short circuit
  • Fully covered with a steel shell for impact resistance
  • Over charge, discharge, short circuit, and over heating protection
  • Three sets of over-heat protection: Pressure relief valve protection, separate microporous protection, and PTC cathodal block protection
  • Warranty Period: 12 month from date of purchase



  • 700mAh


  • 3.6v

Charging Current:

  • 300mA (using build-in USB Port), 1A (using External Charger)


  • Length: 35.5mm (1.4″)
  • Diameter: 18.6mm (0.7″)


  • 17.4g (0.6 oz.)


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