supply of lead acid battery set, 110v, 40ah lead acid battery set, as per rdso specification no. rdso / pe / spec / tl / 0040-2003 [ rev-2 ] or latest. celtek vigo brand lead acid low maintenance batteries for traction installation of 110v ( 2v x 55 cells ) 40 ah capacity, each 2v at 10 hrs rate of discharge at 27 deg. c consisting of tubular positive pasted negative plates assembled in ppcp container complete with inter unit connector, inter row & inter tier connector, micro-porous vent plug, sealed float guide, cell insulators, stand insulators, lead coated bolts nuts & washers in dry and uncharged condition conforming to rdso specn no. rdso / pe / spec / tl / 0040-2003 ( rev.1 ) ( 1 set of 110v 40ah battery consists of 55 cells ) with accessories and electrolyte with battery stand [ warranty period: 30 months after the date of delivery ]