Smps Based Battery Chargers As Per Rdso Specification No.Rdso/Spn/Tl/23/99 [Ver:4] Or Lat Est For Telecom Use Suitable For Vrla Battery, 48V Dc 50 Amps Using 03 [Three] Nos. Of 25 Amps Modules I N 2 Plus 1 Configuration. Make: Statcon, Amaraja Or Better. Accepted Firm'S Own Make 48V 50 A Battery Sm Ps Charger Having N+1 Configuration. Make:Statcon,Amararaja Or Similar [ Warranty Period: 30 Month S After The Date Of Delivery ] ]