supply, installation, testing and commissioning of 480vmin. 320 ah vrla battery banks for electrical upss of chhauti 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) , buyback of old scrap exide battery bank of 480v/320 ah rating upst320 ahcomprising 240 nos. with each with standard accessories connector and box.