supply, installation and commissioning of 24v 965ah or similer rating tublar battery sets (02x13 cells) for tg charger of unit no.5, 1x500mw, sgtps , birsinghpur , supply portion , tubular lead–acid battery in san container, cell rating –02 volt/cell, 1000 ah hdp, consisting of 13nos. cells as per is 1651-2023 capacity – 1000 ah at 10hour rate of discharge to 1.80 volts per cell at 27 deg. dry and uncharged along with following accessories as per scope of supply mentioned in annexure-a , work portion , installation, testing & commissioning of tubular battery sets (02x13 cells) with complete job as per scope of work mention in annexure-b , buy back of old battery sets , buy back of existing exide lead acid plante battery sets yhp19, 965ah-(02x 13 cells).