Rechargeable power battery Fenix ARB-L21-4000P 21700

Power cell for large-current output

RB-L21-4000P is a high-capacity 21700 Li-ion rechargeable battery built for longer runtimes at higher levels. These battery allows a high output flashlight like the LR35R to have its turbo setting of 10000 lumens to maintain it’s output by maintaining higher voltage for longer periods of a batteries charge.  Additional features include a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. Pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. Battery capacity up to 4000 mAh.

Important Note: THIS BATTERY IS NOT COMPATIBLE WITH 18650 FLASHLIGHTS OR OLDER STYLE CHARGERS. COMPATIBLE CHARGERS ARE THE ARE-A2, ARE-A4, ARE-D1 OR ARE-D2.

Features

• 4000 mAh large capacity
• Unique structural design for better impact-resistant
• Built-in over charge, over discharge, short circuit and three sets of over-heat protection ensure the safety and good performance of the battery
• Designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles.
• Recommended chargers Fenix ARE D1 single channel charger or Fenix ARE D2 dual channel charger.