The Mastervolt ChargeMaster Plus is the next-generation marine battery charger, integrating multi-bank charging, battery isolator, DC-DC converter and VSR into one compact device. This 24V / 80A / 2-bank model charges any combination of Lithium Ion, Gel or AGM batteries simultaneously using the 3-step+ method with pre-float to prevent overcharging. Auto-ranging input (80–275V AC, 35–70 Hz). Revival mode recovers fully depleted batteries. MasterBus, CZone and NMEA 2000 communication supported. 24V models include Multi-voltage mode to charge a 12V starter battery in a 24V system without additional components.
Specifications
- Output Voltage: 24V
- Total Charge Current: 80A
- Battery Outputs: 2
- Input Voltage: 80–275V AC, 35–70 Hz (auto-ranging)
- Battery Types: Li-Ion, Gel, AGM (any combination)
- Communication: MasterBus, CZone, NMEA 2000 (via interface)
- Features: Revival mode, Priority Charge, Smart Input, Safe Charge, Pre-float
- Certifications: CE, ABYC, UL, cULus, SAE, CEC/DOE, ISO, ACMA






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