Gem Bids For Supply- Battery Charger: 48v Dc, Float Cum Boostcharger, 450a Output Current, Supply- Batterycharger: 220v Dc, Float Cum Boost Charger, 180aoutput Current, Services- Battery Charger: 48v Dcsupervision Of Installation, Testing Andcommissioning Of Charger, Services- Batterycharger: 220v Dc Supervision Of Installation, Testing And Commissioning Of Charge