Tenders for Supply of Sealed Maintenance Free Valve Regulated Lead Acid Mono Block Battery 12 Volt, 7 Ah For Led Based Emergency Light Unit For Ac And Non Ac Coaches. Make Exide, Tafe Amco, Amara Raja And Hbl As Per Bil L Of Material Of Rdso Spec No-Rdso/Pe/Speciac/180 2016Rev-0 Or Latest. Specn: Rdso Spec No-Rdso/P E/Speciac/180-2016Rev-0 Or Latest Warranty Period: 30 Months After The Date Of Delivery