Tenders for Supply of 4.5 Kw Under Slung Constant Voltage Regulated Cum Emergency Battery Charger Rbc Cum Eb C For Lhb Coaches As Per The Rdso Spec. No : Rdso/Pe/Spec/Ac/0183Rev.1 2018, Str:Rdso/Pe/Str/ Ac/0039-2020Rev 0. Warranty Period: 30 Months After The Date Of Delivery