The Fenix ARB-L18-4000 is the highest capacity Li-ion rechargeable battery pack on the market. With a staggering 4000 mAh / 14.4 Wh capacity, it offers even longer battery life. The Fenix ARB-L18-4000 delivers a steady 7A of power, and the high quality temperature control ensures the battery will continue to operate at peak performance. Fenix Li-ion batteries are known as the safest options on the market, featuring quad protection mechanisms that keep the battery safe from overcharging, over-discharging and possible short circuits. In addition, the Fenix ARB-L18 series batteries operate over a wide temperature range, from -20°C to +60°C.Product specifications
Capacity 4000 mAh / 14.4 Wh
Retains up to 70% of capacity after 500 recharges.
Multiple battery protection (overcharge protection, over discharge protection, short circuit protection, overheat protection).
Solid protection structure effectively protects the battery from short circuits and other hazards caused by shocks.
Use temperature -20 °C ~ +60 °C, charging temperature: 10 °C ~ +45 °C.
Note! Micro-USB cable must be purchased separately.