The Fenix ARB-L18-3400 is a high capacity 18650 Li-ion rechargeable with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. The battery also includes pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion.
Specifications
- Fenix ARB-L18-3400U mAh USB Rechargeable 18650 Battery
- Micro USB charging port lets you charge the battery directly
- Button-Top Design Protection circuit built in the anode with a riveted steel hat.
- Riveted 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: Overcharge 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.




