Single-phase. Portable. Charging for lead-acid battery with 12/24v, overload protection integrated ampere-meter suit for various motor cars Model 1210s Rated input voltage(v) 230 Frequency(hz) 50/60 Rated capacity(w) 125 Charging voltage(v) 12/24 Rated current(a) 7/3.2 Reference capacity(ah) 20-200 Insulation class h Weight(kg) 2.3 Dimension(cm) 20x10x19 Model 1212s Rated input voltage(v) 230 Frequency(hz) 50/60 Rated capacity(w) 150 Charging voltage(v) 12/24 Rated current(a) 9/4.5 Reference capacity(ah) 20-250 Insulation class h Weight(kg) 3.2 Dimension(cm) 20x10x19 Model 1215s Rated input voltage(v) 230 Frequency(hz) 50/60 Rated capacity(w) 195 Charging voltage(v) 12/24 Rated current(a) 15/7.5 Reference capacity(ah) 20-300 Insulation class h. Weight(kg) 4.5 Dimension(cm) 20x10x19.