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Fenix 18650 Rechargeable Li-ion Battery – 3500 mAh


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SKU: FX-ARB-L18-3500 Categories: , ,

The Fenix  ARB-L18-3500 high-capacity button-top rechargeable battery is specifically designed to accommodate a variety of flashlight brands.  Emphasis on safety with built-in multiple layers of internal protection to prevent short-circuits, over-charging and over-heat protection. Fenix continues to be an industry leader in lighting and battery innovation. The higher rated 3500 mAh provides longer run times between charges versus 18650 battery with lower mAh ratings.


  • Fenix ARB-L18-3500mAh Rechargeable 18650 Battery
  • Lithium-ion; Button-Top Design
  • 3.7V 3500mAh
  • Max Charging Current: 2.0A
  • Protection circuit built-in the anode with a steel hat by riveting process. Steel shell eliminates the risk of short circuit caused by collision and impact.
  • Pressure Relief Vent: Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding.
  • Three Sets of Over-Heat Protection:  Over charge protection, Over discharge protection, Short circuit protection, and overheating protection
  • 500 Charge Cycles: A properly maintained ARBL18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles


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