Mastervolt ChargeMaster 24/ 80 - 3 Battery Charger for sale Mastervolt battery charger in excellent condition with high efficiency, suitable for marine use, yachts, boats, backup power systems, and Industrial applications. Model Mastervolt ChargeMaster 24/ 80 - 3 Specifications 24V System 80A Charging Capacity 3 Independent Charging Outputs Automatic Smart Charging System Digital Display Screen