Tenders for Supply Of Maintenance Free Vrla Battery Set Of Rating 48 Volt 500 Ah Pre-Charged Complete With M S Rack, Inter Cell Connectors Consisting Of 24 Cell Of 02 V/500 Ah As Per Rdso Specification No. Irs-S-93/9 6 A With Amendment No. 01 Or Latest. Warranty Period: 30 Months After The Date Of Delivery