Mac Plus
The Mastervolt Mac Plus is a high-efficiency DC-DC battery charger designed for seamless integration into marine, RV, and industrial power systems. With advanced features like CZone, NMEA 2000, and MasterBus compatibility, a precise 3-step+ charging algorithm, and a fanless design, it ensures safe, reliable, and maintenance-free charging for sensitive electronics and demanding environments.
Boost Your Service Battery
Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result in slow and insufficient charges. The Mac Plus DC-DC charger solves this problem, providing a quick, safe, and consistent charge to your service battery. And, by knowing when the engine is running and providing charge, you can be sure that the Mac Plus will never drain your starter battery.
Proven Mastervolt Quality
Get peace of mind, knowing that you’ve got the best on-board. Using the proven Mastervolt 3-step+ charge algorithm, the Mac Plus delivers a quick and easy charge, even to completely flat batteries.
A robust design holds up in even the harshest conditions, with battery temperature optimized charging and high-quality aluminium housing to ensure superior protection against dust and water ingress. The power efficient design also allows the Mac Plus to operate silently and without a fan.
Total Power Flexibility
With a wide DC input range, the Mac Plus allows all DC sources and can charge two batteries from a single alternator or charger. It supports a full range of chemistries and battery types, including lithium. And it also functions seamlessly with modern alternators such as Euro 5 and 6, ensuring proper charging by providing constant power, even when the alternator is inactive.
Parallel configuration of up to ten units will provide over 100 amperes. And advanced high-frequency technology with modern microprocessors ensures minimal power loss when switching from 12V to 24V and vice versa.
Analog voltage sense ports are also available to compensate for voltage drop and maintain proper charging.
Superior Monitoring & Control
Compatibility with CZone®, NMEA 2000® and MasterBus delivers truly superior monitoring and control, and ensures Mac Plus integrates easily into complete systems. Achieve the best performance possible via various controllers and high quality MOSFETs. And configure the Mac Plus with ease via MasterAdjust, the CZone configuration tool, or even via the on-board DIP switches.
Features
Fast and safe charging, even during short trips
Fanless design for silent operation
Suitable for flooded, Gel, AGM and Li-Ion batteries (incl. LiFePO4)
Even charges fully depleted batteries
Engine run detection protects starter battery
Adjustable current limits to meet Euro 5/6 requirements
Voltage stabilization protects sensitive equipment, lights and loads
Parallel operation to obtain charging capacities well over 100 Amps
MasterBus, CZone and NMEA 2000 compatible, for intelligent system monitoring and automation
Temperature compensation and voltage sense for an optimal charging result
E-Mark/R10 certification for mobile applications
Power supply mode offers stable power for sensitive loads
Heavy duty connections for easy installation and quick set up via DIP switches
Available Products
Mac Plus 12/12-50 + CZone: Part Number 81205105
Mac Plus 12/24-30 + CZone: Part Number 81205305
Mac Plus 24/12-50 + CZone: Part Number 81205205
Mac Plus 24/24-30 + CZone: Part Number 81205405
Mac Plus 48/12-50: Part Number 81203105
Mac Plus 48/24-30: Part Number 81203205
Mac Plus 36/12-50: Part Number 81204105
Mac Plus 36/24-30: Part Number 81204205