Hitachi Hi-Rel offers 25kVA Under Slung Inverters for AC Coaches, which is specially developed for supplying power to the AC Package Unit for air conditioning of Railway AC Coaches. It is successful development of energy supply system for Railway rolling stack application and used for supplying power to the AC Package Unit for air conditioning of AC Coaches. Hitachi Hi-Rel also offers 6.5 kW Regulated Battery Chargers (RBC) for LHB Coaches, latest technology IGBT based Regulated Battery Charger system to supply regulated DC for charging batteries in various Railway applications.