4.5 Kw Constant Voltage Regulated Battery Charger For Lhb Coaches , Specification No. Rds O/Pe/Spec/Ac/0183 ( Rev.1 )- 2018 Preferrable Make/Brand- Pi Engg, Waves , Hitachi Hi-Rel , Ic , Aal. [ W Arranty Period: 30 Months After The Date Of Delivery ] ]