Made for the FJ400 AC/DC flash head, the removable Lithium-Ion Polymer Battery for FJ400 AC/DC Strobe from Westcott is a 14.8V, 4400mAh, 65Wh power source that will give you 480 full power flashes on a 2.5-hour charge. The battery has convenient LED charge status indicators and weighs 1.5 lb.
