Description
Mastervolt Mac Plus 12/48-15 Charger | Boat Supply Store
Engineered for modern vessels encountering the challenges of smart alternators and stop/start systems, this 900W charger efficiently converts a 12V DC input to a robust 36V or 48V DC output, delivering up to 15A to your service battery bank. Its bi-directional technology ensures optimal charging regardless of input fluctuations, while the fanless design guarantees silent operation, crucial for offshore cruising or maintaining a peaceful anchorage. The unit supports advanced battery chemistries like LiFePO4 and integrates seamlessly with MasterBus, CZone, and NMEA 2000 for comprehensive system oversight.
Key Features
- Unmatched Flexibility with bi-directional technology adapting to diverse charging scenarios.
- Silent Operation achieved through a fanless design, ideal for noise-sensitive environments.
- Optimized Charging via Mastervolt's 3-step+ algorithm for battery longevity and performance.
- Comprehensive Battery Compatibility including Flooded, Gel, AGM, and Li-Ion (LiFePO4).
- Seamless Integration with MasterBus, CZone, and NMEA 2000 systems for advanced control.
- Robust Protection with IP23 rating ensuring durability in challenging marine conditions.
- Smart Alternator Compatibility with adjustable current limits for Euro 5/6 standards.
- High Capacity Potential through parallel operation capability.
Specifications
| Product Specifications | |
|---|---|
| Output Power | 900W |
| Output Current | 15A |
| Input Voltage | 12V DC |
| Output Voltage | 36/48V DC |
| Battery Types Supported | Flooded, Gel, AGM, Lithium (incl. LiFePO4) |
| Charging Algorithm | 3-step+ |
| Cooling System | Fanless |
| Ingress Protection | IP23 |
| System Integration | MasterBus, CZone, NMEA 2000 |
| Certifications | E-Mark/R10 |
Who This Is For
Marine enthusiasts and boat owners requiring a sophisticated solution for charging service batteries from a 12V system, particularly those equipped with modern, variable-output smart alternators. System integrators will benefit from its advanced connectivity options and flexible output configurations.
How It Compares
| Feature | Mastervolt Mac Plus 12/48-15 Charger | Victron Energy Orion |
|---|---|---|
| Output Voltage | 36/48 V DC | 12 V DC, 12 V DC |
| Input Voltage | 12 V DC | 12/24 V DC, 12 V DC |
| Max Output Current | 15 A | 30 A, 60 A |
| Bi-directional Technology | Yes | No, No |
| System Integration | MasterBus, CZone, NMEA 2000 | Bluetooth, None specified |
| Fanless Operation | Yes | Yes, Yes |
Common Concerns Answered
The Mastervolt Mac Plus 12/48-15 is more expensive than basic DC-DC converters. Why choose it?
While the initial investment is higher, the Mac Plus 12/48-15 offers advanced bi-directional technology and superior integration with modern marine systems, solving issues like inconsistent charging from smart alternators and providing reliable power to sensitive electronics, providing long-term value and performance.
I'm not an electrical engineer. Is the setup for this charger too complex?
The installation requires a good understanding of DC electrical systems, including proper wiring and fusing. However, for users familiar with basic marine electrical principles, the integration into existing networks like CZone or NMEA 2000 offers significant advantages in control and monitoring.
How does its performance compare to other charging solutions?
The Mac Plus 12/48-15 excels in situations where standard converters struggle, particularly with smart alternators and the need for specific output voltages like 36V or 48V for specialized battery banks, offering a silent, efficient, and highly integrated charging solution.
Frequently Asked Questions
How does the Mastervolt Mac Plus 12/48-15 improve battery charging with smart alternators?
The Mac Plus 12/48-15's bi-directional technology and adjustable current limits are specifically designed to manage the variable output of smart alternators, ensuring a consistent and optimal charge to the service batteries without overcharging or damaging them, unlike conventional chargers.
What battery types are compatible with the Mastervolt Mac Plus 12/48-15?
This charger is highly versatile and supports a wide range of battery chemistries including flooded lead-acid, Gel, AGM, and Lithium variants, notably LiFePO4, allowing for flexible system configurations.
Can the Mastervolt Mac Plus 12/48-15 charge two batteries from a single source?
The Mac Plus 12/48-15 is designed to charge a single service battery bank. For charging multiple independent battery banks, additional units or a different system architecture would be required.
What is the maximum charging capacity when multiple Mac Plus units are paralleled?
When paralleled, the total output current can be increased significantly. For example, paralleling two 15A units would provide a combined output of 30A, and this can be scaled further depending on the specific system design and power requirements.
How does the Mastervolt Mac Plus 12/48-15 protect the starter battery?
The charger features engine run detection, which monitors engine activity. It will cease charging the service battery bank when the engine is not running, thereby preventing excessive discharge of the starter battery and ensuring reliable engine starts.
