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

Battery: 18650
(290 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

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

Based on 289 reviews
  1. john (verified owner)

    Nice to have the option to charge the battery directly.

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  2. Alain M. (verified owner)

    These are so convenient! No charger needed and a lot of power reserve versus the standard batteries.

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  3. DON M. (verified owner)

    Love these batteries, good long life with my headlight and the charging port is awesome.

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  4. Gene L. (verified owner)

    Works, great capacity!

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  5. Fausto A. (verified owner)

    Battery is fantastic and holds a charge well

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