supply of supply erection, testing and commissioning of igbt base constant current/constant voltage static battery charging/discharging panelsupply erection, testing and commissioning of igbt base constant current/constant voltage static battery charging/discharging panel,supply erection, testing and commissioning of igbt base constant current/cons tant voltage static battery charging/discharging panel type-5 with nos. of cells to be cha rged is 5-10 nos, output voltage: 30v, output voltage variation 10 to 30v, output current: 1 0 to 180a with regeneration discharge for 1100ah weak batteries as per rdso spec. no. rds o/pe/spec/ac/0008 (rev-2).or the latest. note: the contractor shall undertake to train, free of cost the supervisors of the indian railways for operation, maintenance, fault finding, a nd repair of the offered equipment under the guidance of skilled engineers, during the fir st year of the service of the equipment as per clause no.20.0 of rdso spec. no. rdso/pe/spec/ ac/0008(rev-2). [ warranty period: 30 months after the date of delivery ] ]