X1 charger Specifications: Input Voltage Range:11~18 Volts DC Charge Circuit Power:180 Watts Discharge Circuit Power:30 Watts Charge Current Range:0.1~16.0 Amps Discharge Current Range:0.1~8.0 Amps LiPo, LiFe & LiIon Balancing Current Drain:200mA per Cell LiPo, LiFe & LiIon Cell Count:1~6 Cells Maximum NiCd/NiMh Cell Count:1~15 Cells Lead Acid (Pb) Cells / Voltage:2~20 Volts Dimensions:3.6 x 4.4 x 2.0 in. Weight:14.3 oz