PETZL Pixa 3R Rechargeable Battery Pack EXTRA POWER: Have an extra Lithium-Ion Polymer battery, 930 mAh for your PIXA FLEXIBLE CHARGING: Rechargeable separately or in the headlamp. RECHARGE TIME: Quick charge in 3 hours. COMPATIBLE WITH: Petzl PIXA 3R Headlamp INCLUDED: Charging dock included with PIXA 3R headlamp.