All Power-Sonic "A-C" series chargers feature: I.C. based voltage and current regulation designed for sealed (valve-regulated) lead-acid batteries Useable on domestic and overseas input voltages from 110VAC - 60Hz to 240VAC - 50Hz Automatic, current sensing dual-rate charging for efficient, care-free and safe operation L.E.D.s indicate 'power on' and "FAST" and "FLOAT" charging modes Lightweight wall mounted plug-in or desk top design with screw type output terminals, depending on output current Protected against accidental reverse polarity connection U.L. and European C.E. approval Click here for charger specifications Click here for charger selection guide