Compatible with the FJ100 Strobe and FJ100 Speedlight Delivers 700+ full-power flashes with the FJ100 Strobe Provides 575+ full-power flashes with the FJ100 Speedlight AC/DC flexibility with built-in trickle-charge capability Recharge in approximately 2.3 hours via USB-C High-capacity 23.68Wh, 3200mAh, 7.4V lithium-ion battery Over 300 charge cycles for lasting reliability Compact, lightweight design weighs only 0.26 lb (0.12 kg) Includes USB-C charging cable