Tender For 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/0008(rev.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,