Fenix ARB-L21-5000U Batteries

LARGER CAPACITY LONGER RUNTIMEThis 21700 battery comes with 5000 mAh capacity, can be treated as a power bank, which provides the lighting tools with sufficient power and longer duration.CONVENIENT TYPE-C CHARGING INTERFACEThe battery features standard USB Type-C charging interface, with no need for extra charger while being charged; economical and environmental friendly.MULTIPLE PROTECTIONEnsure the safety and good performance of the battery.Protection circuit in the anodeOvercharge protectionOver-discharge protectionShort circuit protectionOverheat protection3 Sets of overheat protectionPressure relief valve protectionSeparate microporous protectionPTC cathodal block protectionSTEEL SHELL RIVETING TECHNOLOGYFully protected the battery against damage.A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated.PRESSURE RELIEF VENTSPressure relief vents which will expel gas generated by a possible internal short circuit, will prevent the cell inflating and eliminate secondary hazards such as possible explosions, ensure a safer battery, although this will rarely happen with this quality battery.Note:Do not expose the battery to heat or discard of it in water.After extended periods of storage (three months or longer), it may be necessary to recharge the battery to regain maximum performance.Keep the battery out o
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