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Fenix Built-In-USB Rechargeable Battery

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Product Information

Eliminate the need for a charger with the Fenix Built-In-USB Rechargeable Battery. This Li-ion battery features a micro-USB charging port and a built-in protection circuit to prevent over charge/discharging, over-heating, and short circuiting. It is designed for 500 charge cycles, keeping you powered up for the long haul.


  • Rechargeable Li-ion battery
  • Micro-USB charging port
  • 500 charge cycles
  • Recommended 1A, maximum 2A charging current


  • Pressure vents prevent explosions
  • Protection circuitry prevents short circuits


  • Size: 2.8” x 0.7”
  • Weight: 1.8 oz.
  • Charging Current USB Port: 0.8A
  • Voltage: 3.6V
  • Capacity: 3500mAh

Additional Details

  • 12 Month Manufacturer Warranty (from date of purchase)
  • Style: FX-ARB-L18-350
  • Web ID: 19FNXURBL183500BTCAC
  • SKU: 19461901

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