Description
Mastervolt Mac Plus 24/12-50 + CZone Charger | Boat Supply Store
This advanced 24V to 12V DC-DC charger directly addresses the charging inefficiencies of modern alternators found in many 24V vessels and RVs, ensuring optimal service battery health and longevity. Delivering a robust 50A output current and capable of 750W maximum power, it utilizes Mastervolt's proven 3-step+ charging algorithm for superior battery management. Its seamless integration with CZone digital switching systems provides unparalleled monitoring and control, making it an essential component for sophisticated marine electrical architectures, particularly useful for vessels operating with frequent engine starts or short trips.
Key Features
- Boosts service battery charge from smart alternators and start/stop systems
- Proven Mastervolt 3-step+ charge algorithm for optimal battery health
- Silent fanless operation for a quiet onboard environment
- Robust dust and water-resistant aluminum housing (IP23)
- Wide DC input range (19-30V) for broad compatibility
- Supports all major battery chemistries including Lithium (LiFePO4)
- Superior monitoring and control via CZone®, NMEA 2000®, and MasterBus
- Parallel configuration for expandable charging capacity exceeding 100 Amps
Specifications
| Product Specifications | |
|---|---|
| Input Voltage Range | 19-30 V |
| Output Current | 50 A |
| Max Power | 750 W |
| Battery Type Support | Flooded, Gel, AGM, spiral, Lithium Ion, traction, user-defined |
| DC Input | 24 V |
| DC Output | 12 V |
| Temperature Compensation | Yes |
| Voltage Sense | Yes |
| Engine Run Detection | Yes |
| Parallel Configuration | Yes |
| Housing | Aluminum |
| Ingress Protection | IP23 |
| Certifications | CE, E-Mark, R10, SAE J1171, ISO 8846 Ignition Protected |
| Fanless | Yes |
Who This Is For
Boaters and RV owners with 24V systems requiring a reliable and intelligent charging solution for service batteries, especially those with modern smart alternators or frequently undertaking short trips. It is ideal for users seeking advanced system integration and monitoring capabilities with digital switching platforms like CZone.
How It Compares
| Feature | Mastervolt Mac Plus 24/12-50 + CZone Charger | Victron Energy Orion |
|---|---|---|
| Max Output Current | 50 A | 20 A, 20 A |
| Max Output Power | 750 W | 480 W, 480 W |
| Input Voltage Range | 19-30 V | 18-35 V, 20-30 V |
| Battery Type Support | Flooded, Gel, AGM, spiral, Lithium Ion, traction, user-defined | All battery types, Flooded, Gel, AGM, Lithium |
| CZone/NMEA 2000/MasterBus Integration | Yes | No (requires separate gateway for NMEA 2000), No |
| Silent Operation (Fanless) | Yes | Yes, Yes |
Common Concerns Answered
The initial cost seems higher than other DC-DC converters. Why is this unit priced differently?
The Mastervolt Mac Plus 24/12-50 + CZone offers superior performance and advanced integration capabilities that justify its price point. Its higher output current (50A vs. 20A competitors), robust build for harsh marine environments, and native integration with CZone, NMEA 2000, and MasterBus provide a more comprehensive and durable solution compared to simpler converters. This unit is engineered for longevity and optimal system performance, which translates to a higher initial investment but better long-term value.
I'm not very technical. Will configuring this charger be too complex?
Basic setup for the Mac Plus is straightforward using DIP switches. For users seeking advanced integration with systems like CZone, the setup requires careful study of the documentation. Mastervolt provides comprehensive manuals and diagnostic tools like MasterAdjust software for detailed configuration, ensuring you can tailor the unit precisely to your electrical system's needs.
Is the documentation sufficient for advanced users planning complex integrations?
The documentation for the Mastervolt Mac Plus 24/12-50 + CZone is comprehensive and technical, designed for users who need to integrate it into complex digital marine electrical systems. While detailed study is required for advanced setups, it provides the necessary technical specifications and guidance for users comfortable with marine electrical engineering and digital integration.
Frequently Asked Questions
How does the Mastervolt Mac Plus 24/12-50 + CZone boost my service battery?
It actively converts the higher voltage from your 24V system (from the alternator or shore power converter) down to a regulated 12V, providing a high-current, multi-stage charge to your 12V service battery bank, overcoming limitations of smart alternators that often undercharge service batteries.
Can the Mac Plus charge completely depleted batteries?
Yes, the Mac Plus is designed with a robust charging algorithm that can recover and safely charge even deeply discharged batteries, including Lithium variants, by applying appropriate charging stages.
Is the Mac Plus compatible with lithium batteries like LiFePO4?
Absolutely. The Mac Plus explicitly supports Lithium Ion batteries, including LiFePO4 chemistries, and offers user-defined settings to optimize charging parameters for these advanced battery types.
How does the Mac Plus protect my starter battery?
It features engine run detection, which ensures that the charger only operates when the engine is running, preventing the service battery charging from inadvertently draining the starter battery. It also provides voltage stabilization to protect sensitive electronics.
What modern alternators are compatible with the Mac Plus?
The Mac Plus is specifically engineered to function seamlessly with modern Euro 5 and 6 alternators, which often employ variable voltage output and start/stop technology that can hinder traditional charging. Its wide 19-30V input range accommodates these smart alternators effectively.
