The Mastervolt ChargeMaster Plus 24/110-2 Battery Charger (44321105) from Nomadic Supply Company integrates multiple functions into one single device. The Mastervolt ChargeMaster Plus 24/110-2 Battery Charger (44321105) replaces auxiliary chargers, battery isolators and VSR, reducing the cost and complexity of your camper van electrical system. Designed with versatility in mind, it charges virtually any combination of two batteries in a fast and safe way and works anywhere in the world.
Mastervolt ChargeMaster Plus 24/110-2 Battery Charger (44321105) Features:
- Mastervolt’s new Battery’s Best Friend architecture, capable of charging a multitude of battery chemistries, sizes and voltages.
- All batteries are charged with the fast and safe 3-step+ charge method.
- Revival mode: automatically revives even fully depleted batteries.
- Multi voltage: charge 12 V starter battery in a 24 V system, without additional components.
- Priority Charge: redirect available power to the lowest battery, for faster charging.
- Multicharger with two outputs, DC-DC converter and current limiter.
- Combine Lithium Ion, Gel or AGM, and large or small battery banks on a single battery charger.
- Extended specifications: offers 20 % more output at 14.4 V and 80 % charging power at 60 °C.
- Safe Charge: quickly recognize the State of Charge for extended battery life.
- Very wide operating range of 80-275 V AC, 35-70 Hz.
- Compact, easy to connect and quick to install.
Global Charging
The ChargeMaster Plus handles worldwide AC voltages and frequencies. Resisting large voltage fluctuations and high temperatures, it keeps working in harsh environments. For marine and mobile markets, the ChargeMaster Plus is CE, ABYC, UL, SAE, CEC/DOE and RCM/C-Tick compliant.
System Simplicity
The Mastervolt ChargeMaster Plus 24/110-2 Battery Charger (44321105) displays the charge phase of all outputs in an understandable way. Robust and ergonomic connections save installation time.
Powerful Communications thanks to CZone integration
The CAN-based MasterBus enables the Mastervolt ChargeMaster Plus 24/110-2 Battery Charger to communicate with displays, shunts and power systems including communication standards like CZone®, NMEA 2000 and CANopen (through additional interfaces).
Models with the addition of CZone support MasterBus, in addition to CZone and NMEA 2000 communication, without the need of additional interfaces. The ChargeMasters Plus series can be configured via MasterBus, or will accept a CZone configuration file just like any other CZone device. Other communication standards like ModBus, CANopen, LinBus, etc. are supported via additional interfaces.
This wide range of communication interfaces makes the Mastervolt ChargeMaster Plus 24/110-2 Battery Charger ideally suited for system integration. The Mastervolt ChargeMaster Plus 24/110-2 Battery Charger can also operate as a power supply for delicate communication equipment, or during the construction phase of a boat.
Mastervolt ChargeMaster Plus 24/110-2 Battery Charger (44321105) Specifications:
| Nominal output voltage | 24 V |
| Secondary output voltage | 14.25 /28.5 V (12/24 V) |
| Max. output current primary output | 110 A |
| Max. output current secondary output | 5-15 A at 12 V / 5-20 A at 24 V (adjustable) |
| Total charge current | 110 A at 28.8 V |
| Max. AC current (230 V / 120 V) | 15.75 A / 31.5 A |
| Number of battery outlets | 2 (max.) |
| Battery bank size | 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 mm² |
| Power supply mode | yes |
| Galvanic isolation | yes |
| Display/read-out | LED |
| Dimensions (Height x Width x Depth) | 15.1 x 9.8 x 5.0 inch |
| Weight | 13.9 lb |
| Compliance | CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RRR |
Technical Specifications:
| Charge characteristic | IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option |
| 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 | yes, > 0.98 |
| Temperature range (ambient temp.) | -25 °C to 80 °C, derating > 40 °C -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) |
Mastervolt ChargeMaster Plus 24/110-2 Battery Charger Documents:
Mastervolt ChargeMaster Plus 24/110-2 Battery Charger User Manual
Mastervolt ChargeMaster Plus 24/110-2 Battery Charger Brochure
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to