purchase of 50 v 100 ah and 200 ah smf vrla battery banks for various 33 kv electric sub station in ndmc area purchase of 50 v 100 ah and 200 ah smf vrla battery banks for various 33 kv electric sub station in ndmc area , supplying of 50 v, 100 ah smf vrla batteries banks consisting of 25 nos. x 2 v, 100 ah cells with rack & connectors etc as required. make: exide / amar raja / hbl or equivalent. , supplying of 50 v, 200 ah smf vrla batteries banks consisting of 25 nos. x 2 v, 200 ah cells with rack & connectors etc as required. exide / amar raja / hbl or equivalent. , credit / buy back of old batteries 50 v, 100 ah smf vrla batteries banks consisting of 25 nos. x 2 v, 100 ah c ells with rack & connectors. , credit / buy back of old batteries 50 v, 200 ah smf vrla batteries banks consisting of 25 nos. x 2 v, 200 ah cells with rack & connectors.