SkyRC iMax B6AC V2 Genuine Dual Power Lipo Battery Balance Charger for Lithium (Li-po,), Ni-cd, Ni-mh, and Pb Battery 100% original, absolutely certified, 1 year warranty. Support dual-input, ac input, dc input, built-in ac adapter. Bulit-in pc link(micro usb), updated from imax b6ac. Charge/discharge power: max. 50/5 watts. Operating voltage: dc 11~18 volts ac 110~240v, 50/60hz.