FREE Courier Delivery For SG Orders >S$50 =D
Safe Store Protocol

Fenix ARB-L21-5000 3.6V 5000mAh Rechargeable Protected 21700 Battery


Product Description

Since the release of the Fenix PD36R and TK22V2, everyone has been patiently waiting for the release of spare batteries. The time has come; now available is the Fenix ARB-L21-5000 rechargeable 21700 battery. The all-new Li-ion battery provides the voltage and power needed for extended runtime and higher lumen capacities. The ARB-L21 comes with all the bells and whistles of high-quality Fenix batteries, including protective circuits inside the anode and up to 500 charging cycles. Also included are the three sets of overheat protection: pressure relief, microporous, and PTC cathodal block. Don't run out of light; pick up a spare 21700 battery today!


  • 500 Recharge Cycles
  • 5000 mAh Capacity
  • Lithium-ion rechargeable
  • Multiple Layers of protection
    • Pressure Relief Valve Protection
    • Separate Microporous Protection
    • PTC Cathodal Protection
    • Protection Circuits in the anode
      • Overcharge
      • Over-discharge
      • Short Circuit
      • Overheat Protection
  • 7.5a Maximum current
  • Steel Shell Riveting
  • 3.6V
  • Charging Current: 1A recommended, 5A Maximum
  • Note: Does not include an on-board USB port for direct charging


  • Weight: 2.56 Ounces
  • Height: 2.99"
  • Diameter: 0.85"