tender for supply, installation, testing and commissioning of vrla battery banks for electrical upss in replacement of old battery banks at msor, namt, mrsn, sicp, chhauti chaupar and badi chaupar metro stations of jmrc. , supply, installation, testing and commissioning of 480v vrla smf battery banks of min. capacity 320 ah, for electrical upss( one battery bank having 240 nos. of battery cell, 2 volt) with terminal connector , cables and stack box etc complete as required. (make- m/s exide,m/s amaraja,m/s hbl or similar superior) , supply, installation, testing and commissioning of 12v,100 ah vrla battery bank for 20 kva ups with connector/lug and cable for battery terminal connections, the battery shall be valve regulated lead acid(vrla) sealed maintenance free type with agm(absorbent glass mat), complete in all respect. , buyback of old scrap exide battery bank of 480v/320 ah rating upst320 ah comprising 240 nos. with each with standard accessories connector and box. , buyback of old battery 12v, 100 ah vrla smf battery, make- exide.