supply of low maintenance lead acid cell 2v / 300 ah. ( one set includes 55+5 ( spare ) =60 cell of 300ah rating as per rdso spec no. irs-88 / 2004 in hard rubber container complete with micro porous vent plug, sealed, float guide, and double inter cell connecter and nut bolts & washers in dry and uncharged conditions.unit per set includes 60 cells. note: the battey should be procured from rdso approved vendors and must be rdso inspected before supply. , low maintenance lead acid stationary secondary cells 300ah-2volt for s&t installation as per rdso spn no.irs:s-88 / 2004 or latest as per specn. rdso spn no.irs;s-88 / 2004 or latest , supply of secondary cell low maintenance 2v / 300ah as per specification no. irs:s:88 / 2004 with latest amendment if any ( cathode and anode terminal should be provided with two holes on each terminal and nuts and bolts and connectors for double connection ) .