ARB-L18-3500U Built-in USB Rechargeable Battery

Battery: 18650
(299 customer reviews)


ARB-L18-3500U is a high capacity 18650 Li-ion USB rechargeable battery with a built-in micro-USB charging port.  It also includes a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. These USB rechargeable batteries can quickly be charged without the need for a separate charger.  This not only saves you money from purchasing a charger, but also provides the convenience of not having to carry around another device.  This will work in all of the current models that utilize a li-ion 18650 battery, including best sellers like the PD35 V2.0, PD35TAC, TK20R, TK75, TK15UE, and more. A micro-USB charging cord is NOT included. Click here to see other models that utilize 18650 batteries:

SKU: ARB-L18-3500U
EAN: 6942870304724
Categories: , ,
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Specifications of the ARB-L18-3500U Built-in USB Rechargeable Battery

  • Micro-USB charging port
  • 3500mAh high capacity
  • USB rechargeable batteries
  • Protection circuitry to prevent short circuits
  • Pressure vents to prevent explosions
  • 500 charge cycles
  • Voltage: 3.6V
  • Charging Current: Recommended 1A, maximum 2A
  • Charging Current USB Port: 0.8A
  • Weight: 1.8 ounces (50.2g)
  • Size: Length: 2.8″ (70mm) Diameter: 0.7″ (18.6mm)
  • Warranty Period: 12 month from date of purchase
  • Indicator light on battery is red while charging, blue when charged

299 reviews for ARB-L18-3500U Built-in USB Rechargeable Battery

Based on 298 reviews
  1. Michael G. (verified owner)

    Last a long time, like usb charging outside of the light.

    (0) (0)
  2. Michael (verified owner)

    Love this battery. It is 50% of why I love the LD 30 so much. Thank You.

    (0) (0)
  3. Robert R. (verified owner)

    I have a couple of Fenix lights that take 18650’s. These are the best in terms of holding a charge and the number of recharge cycles.

    (0) (0)
  4. Anonymous (verified owner)

    Good complement to Fenix PD35 v3. Too new to provide feedback, but, knowing FENIX’s reputation, I think this battery is going to be another great product.

    (0) (0)
  5. J.E. Dominguez (verified owner)

    They work great.

    (0) (0)
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