The 3A Charger for B10 OCF Li-Ion Battery from Profoto accepts input power of 100 to 240 VAC to charge the battery to 100% power in 90 minutes and to 80% power in 60 minutes. It has a charge power indicator and can be attached to the battery while in use in the studio to prolong run time. A touch-fastener strap is included to permit attaching the charger to a light stand.