For use as a main or backup power source, this high-capacity rechargeable battery works with a wide range of compact Petzl headlamps to offer high-performance lighting even in colder conditions. For convenience, this Lithium-Ion 1250 mAh can charge up with its integrated USB port.. . High-capacity rechargeable Lithium-Ion 1250 mAh battery for TIKKINA, TIKKA, ZIPKA, ACTIK, ACTIK CORE, TACTIKKA, TACTIKKA +, and TACTIKKA +RGB headlamps. Keeps a charge even at low temperatures. Charge with integrated universal USB port. Battery indicates charge. Indicator light displays remaining burn time. Can be used as main or backup power supply. Weighs 23g. Charges in 3 hours. Certification(s): CE. Imported.