Compact enough to fit into a camera bag yet versatile, addressing all PRO-X batteries simultaneously. Trickle charge maintenance program ensures the batteries are always at maximum capacity. It can be also as an adapter to power for camera. Maximum output is 50W. Charge Current:1.5A Size:9""*2""*6.1"" Weight: 2.8 lbs Input Voltage: 90-240V AC50/60Hz