Tenders for Supply Of 120ah Valve Regulated Maintenance Free Lead Acid Batteries Set Each Set Comprising Of 19 Monoblocks Of 6v, 120ah For 110 V Train Lighting System Complete With Connectors And Electrolyte In Factory Charged Condition, Conf. To Rdso Spec. No. Rdso/pe/spec/ac/0009 -2014 Rev -2.