supply of supply, installation, testing and commissioning of constant current/ constant voltage battery charger , supply, installation, testing and commissioning of constant current/ constant voltage battery charger regenerative discharger capacity (155v, 220a) type-2, cell capacity 1100 ah as per rdso specifications no. rdso/pe/spec/ac/0008 (rev-2), april 2010. required length of cables for connecting the c hargers and the cross section of the cable should be 35 sq.mm cable 02 wires 03 meter for input side and 50 sq.mm cable 02 wire 05 meter for output side. [ warranty period: 72 months after the date of delivery ] ]