supply of single phase battery charger.single phase battery charger.,single phase battery charger , the charger will consists of main transformer d.w.copper wi nding single phase rectifier to give d.c.output voltage 110v to 150v/60amp input 230v single phase 50hz . the voltage and current will be controlled by fine and coarse control rotary switch 40 amp, 1 pole of ma ke-(balson/switchon/kaycee). the charger will have d.c. output ammeter/voltmeter, input mcb, ac fuse, pilot lamp to indicate mains on fan will be provided for cooling. the charger will be housed in m.s.angle/s heet powder siemens grey cabinet with wheels. make: equipment control, invo control,deltronics power s olution or equivalent [ warranty period: 30 months after the date of delivery ] ]