SKYRC iMAX B6AC V2 Dual Power (6Amps, 50Watts): LiPo, LiIon, LiFe, NiCd, NiMH, Pb Lead Acid AC/DC Professional RC Balancing Battery Charger and Discharger Genuine,Authentic,Original iMax B6AC V2 Charger by SkyRC w/ Anti-Fake Holographic Serial Number on the back of the charger. This number can be inputted into SkyRC's website to prove its authenticity.