supply of battery for air conditioning 2 volt 1100 ah vrla for a.c coachesconfirming to rdso specn no.rdso/pe/spec/ac/0009-2014 (rev-2) or latest, completewith inter cell, inter unit and end cell connectors & fastener etc. the inter unitconnectors and end cell connectors, conforming to rdso specn no.spec/e-14/01(part-1) rev.ii-1993 with amendment no. 1 to 4 or latest. note- one set consists of 56cells.