The Mastervolt ChargeMaster Plus 110A 24V is a high-performance multi-charger designed for marine and mobile power systems. With 120/230V input, MasterBus, CZone and NMEA communication, it coordinates power across multiple banks from a single compact unit. This advanced charger delivers two outputs plus a DC-DC converter, current limiter and an integrated VSR, simplifying installation and boosting reliability.
Designed to work with Lithium Ion, Gel or AGM batteries, it can manage two battery outlets (max.) and support both large and small battery banks while underway. The ChargeMaster Plus combines multiple charging functions in one device, replacing auxiliary chargers, battery isolators and VSRs, and reducing system complexity and cost.
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Dual outputs with flexible charging — two battery outlets with a secondary voltage of 14.25 V (12 V) or 28.5 V (24 V) and adjustable current (5-15 A at 12 V / 5-20 A at 24 V).
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High-performance charging — up to 110 A max per output (110 A total), enabling fast and safe charging for battery banks from 400–1000 Ah.
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Smart charging profile — proven 3-step+ charge method and Safe Charge that quickly recognizes State of Charge to extend battery life.
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Global compatibility — accepts a wide AC range (80–275 VAC, 35–70 Hz) and withstands voltage fluctuations and high temperatures for marine and mobile use.
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Integrated power management — built-in DC-DC converter, current limiter and VSR ensure efficient energy use and seamless alternator charging.
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Versatile communications — fully compatible with MasterBus, CZone and NMEA; communicates with displays, shunts and power systems, including FireCan and CANopen standards.
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Compact, rugged installation — compact form factor with robust, ergonomic connections; CE, ABYC, UL, SAE, CEC and RCM/C-Tick compliant for confidence in harsh environments.
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Ready for any phase — can operate as a power supply for delicate electronics or during boat construction, ensuring reliable systems from day one.
Specifications at a glance: Nominal output voltage 12 V; secondary output voltage 14.25/28.5 V (12/24 V). Max. charge current per output: 110 A; total charge current: 110 A at 28.8 V. AC input: 120/230 V (80–275 V), 50/60 Hz. Battery capacity range: 400–1000 Ah. Dimensions (H×W×D): 15.1 × 9.8 × 5.0 inches. Weight: 13.9 lb. Approvals: CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC, RCM/C-Tick.
| Communication & monitoring |
| Communication interfaces |
MasterBus, CZone, NMEA |
| General specifications |
| Nominal output voltage |
12v |
| Secondary output voltage |
14.25 /28.5 V (12/24 V) |
| Secondary output current |
5-15 A at 12 V / 5-20 A at 24 V (adjustable) |
| Max. charge current per output |
110 A |
| Max. AC current (230 V / 120 V) |
15.75 A / 31.5 A |
| Total charge current |
110 A at 28.8 V |
| Number of battery outlets |
2 (max.) |
| Battery capacity range |
400-1000 Ah |
| Nominal input voltage |
120/230 V (80-275 V) 50/60 Hz |
| AC connection |
screw terminals, suitable up to up to 6 mm |
| Power supply mode |
yes |
| Galvanic isolation |
yes |
| Display/read-out |
LED display |
| Dimensions, hxwxd |
15.1 x 9.8 x 5.0 inch |
| Weight |
13.9 lb |
| Approvals |
CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC, RCM/C-Tick |
| Technical specifications |
| Charge characteristic |
IUoUo, automatic / 3-traps+ voor Gel/AGM/nat/Lithium Ion + een door de gebruiker gedefinieerde optie |
| Temperature compensation |
-60 mV/°C / -76 mV/°F; incl. temperature sensor |
| DC voltage compensation |
through automatic compensation or MasterShunt |
| Power consumption (DC side) |
< 2 mA (MasterBus off) |
| Current Control function |
yes, through MasterBus or CZone |
| Power factor control |
> 0.98 |
| Temperature range (ambient temp.) |
-13 °F to 176 °F |
| Cooling |
vario fan |
| Protection degree |
IP23, vertical mounting |
| Protections |
over-temperature, overload, short circuit, high/low battery voltage, ignition protection |
| Charger Status Interface (alarm contact) |
yes, using a Multipurpose Contact Output (code 77030500) |
