Tender For design, engineering, manufacture, supply, installation and commissioning of 2 sets of 220v, 2000ah capacity lead acid tubular in transparent san container battery bank (each set consists of 108 no of 2v, 2000 ah capacity lead acid tubular cells) with all accessories and necessary spares to retrofit the existing 2 sets of 220v, 2000ah capacity lead acid tubular in transparent san container (opzs) battery banks of unit 7 with buy back arrangement at rtps