Mastervolt ChargeMaster Plus 20A 24v Output 120/230V Input C-Zone MasterBus NMEAThe ChargeMaster Plus 24 20 3 is a compact, high performance 20 A 24 V battery charger built for marine, mobile, and harsh duty environments. With 120 230 V input and native MasterBus, CZone, and NMEA2000 compatibility, it integrates seamlessly into your vessels electrical system and smart management network. Output and current: 24 V nominal output with up to 20 A on the primary output Three battery outlets with automatic current distribution: All