supply, erection, testing and commissioning of exide make, 110v/500ah tubular battery bank (one set consist of 55 nos. 2v cell ), as per rdso specification no. irs -s-88/2004 with latest amendments, along-with wooden stand, icc, electrolyte and acces , 110v/500ah battery bank , supply of 110v battery bank (55 nos. cell per bank+5 dry cell for spare per bank), capacity - 500ah, per cell volt - 2v, model type – tx500ah-hdp, (approved as per rdso specification no. irss-88/2004) bank , etc work of above 110 v battery bank as per technical specification at annexure-i etc work of above 220 v battery bank , buyback of 110 v old battery bank