Tender For supply, installation and commissioning of igbt based constant current and constant voltage battery charge/discharge panel of 155v-100a, output voltage adjustable from 2v to 155v and output current adjustable from 10 amps to 100 amps suitable for charging & discharging of locomotives batters of 450 ah and 500 ah lead acid batteries and 155ah and 100 ah nickel cadmium batteries as per rdso spec.no. rdso/pe/spec/ac/0008 (rev-2) april 2010. or latest for electric locomotives.