Specification:Input 100V-240V /50-60Hz AC PowerStandard USA AC power plug. For other country's Plug adapters, click herePatented 4 Stage charge algorithm guarantee 100% Protection (check the Datasheet for details) Automatic change 8S 25.6V LiFePO4 battery from any status. Rated voltage25.6V DC Output voltage16 V DC ~ 32.5V DCBattery capacity extend2.8Ah ~ 52AhNumber of cells8 LiFePO4 cells in series Charge current3.5A 0.1AMax. delivered power103WRated AC input100~240VAC 50/60Hz Input voltage90~264VAC Rated input current0.30Arms Max. input power128W Dimension158mm x 90mm x 57.5mm Weight642gAccessories IncludedPremium metallic 3 pin connector (positive, null, negative)1 standard Tamiya Female connector. Alligator clips red + black.CautionThe charger is designed for indoor use only. Don't leave the charger unattended during charging. The Charger should be positionedhorizontally and work in well ventilated condition, avoid water andkeep away from flammable explosive goods.Don't cover the charger when charging, ambient temperature shall not be more than 40oC Don't touch the plug. Don't leave the batteries and chargers on wood surface or carpet.Cut off the power supply before connect or disconnect the charger with batteries. Don't try to disassemble the charger, High voltage inside, danger!Download product manual here.