Supply And Commissioning Of Igbt Based Static Battery Charge Discharge Circuit Panel For Dsl Loco Battery, As Per Rdso Spec. No. Rdso/pe/spec/ac/0008rev.2, Dt- 28.04.2010 With Following Requirements. Cell Capacity- 450ah To 500 Ah, No. Of Cells- 20-56, Unit Out Putvolt.- Amp. : 155v -100a, Out Put Voltage Variation- 40-155v,.