10v and/or 220v as default. Each ptek rvhf battery charger is equipped with external aluminium cover box, Input cable and battery cables (for small one equipped with a fast connection Crocodile). Switching battery charger high frequency technology, feeding 100 ÷ 240v singlephase +- 10%, digital display only for d version, different charging curves selectable For pb-acid, gel, “soft start” mode, electronic protection and/or fuse against short Circuits over voltages, polarity reversal or anomalies, input cable, connection of the Battery included, inner self contained ventilation through forced air, efficiency > 85%, mass-produced mains leads.