Fenix 18650 Li-ion Battery ARB-L18-2600U Rechargeable Battery Button-Top, Built-In Micro-USB Charging Port - 2600mAh, 3.6V, 9.36Wh, with Protection Circuit in the Anode
Features
NOTE: This battery is a button-top battery. It is not the traditional flat-top Fenix style.
NOTE: The length of the battery is 70mm.
NOTE: The price is for one battery. A micro-USB charging cord is NOT included.
Fenix ARB-L18-2600U Rechargeable Battery Built-In USB 18650 - 2600mAh
ARB-L18-2600U is a high capacity 18650 Li-ion 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. This battery can quickly be charged without the need for a separate charger.
This not only save you money from purchasing a charger, but also 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.







Specifications
Technical Specifications
| Battery | Build-In Micro-USB charging port2600mAh high capacityProtection circuitry to prevent short circuitsPressure vents to prevent explosions500 charge cyclesIndicator light on battery is red while charging, blue when charged |
|---|---|
| Voltage: | 3.6V |
| Charging Current by separate charger: | Recommended 1AMaximum 2A |
| Charging Current by USB Port: | 1A |
| Weight: | 1.8 ounces (50g) |
| Size: | Length: 70mmDiameter: 18.6mm |
| Brand | Fenix |
|---|---|
| Weight | 0.05 kg |
| Warranty |
|---|
Note:
Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return







