SKU: 67409499178

Mastervolt Mac Plus 24/24-30 Dc-dc Converter 24v Input 30a 24v Output Czone

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Description

Mastervolt Mac Plus 24/24-30 Dc-dc Converter 24v Input 30a 24v Output Czonemastervolt Mac Plus 24 24 30 + Czone DC to DC Converter Model: 81205405 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

mastervolt Mac Plus 24/24-30 + Czone DC to DC Converter

Model: 81205405
  • 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

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.

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.

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.

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.

Specifications
Specifications battery charger
Battery temperature sensor yes, included
Battery voltage sense Yes
General specifications
Status indicator yes, 3-color LED
Communication protocol MasterBus, CZone & NMEA 2000
Output voltage 20-30 V
Nominal output voltage 24 V
Output voltage stabilisation 2 % at extremes of temperatures, load and input
Output voltage ripple (peak peak) max. 1 %
Max. output power 850 W
Nominal output power 810 W
Max. output current 30 A
Output charge current (3-step mode) 30 A
Nominal input voltage 24 V
Input voltage range 10-16 V
Max. input current 30 A
Galvanic isolation no
Voltage limited yes
Efficiency > 95 % (at nom. input voltage, full load); peak 97
Parallel configuration yes
Alarm contact yes, through MasterBus
MasterBus powering no
Engine run signal input yes (active high/active low)
DIP switches yes, for basic setup
Dimensions, hxwxd 10.0 x 6.5 x 2.6 inch
Weight 4.4 lb
Technical specifications
No-load consumption < 2 mA
Charge characteristic 3-traps+
Battery types flooded, Gel, AGM, spiral, Lithium Ion, traction, user defined
3-Step charge option yes (DIP switch settings)
DC consumption < 5 mA
Connections 3 x M8 terminal for cable diameters of 10-50 mm , (positive input, positive output, joint negative connection) 8-pole screw connection for cable diameters of 0.75-1.5 mm (remote on/off, temperature sensor, voltage measurement
Temperature range (ambient temp.) -25 °C to 60 °C; derating > 40
Cooling natural cooling
Protection degree IP23
Protections overload, over temperature, DC short circuit, reversed polarity (fuse)
MasterBus compatible yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67409499178

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4.3 ★★★★★
Based on 17 reviews
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Product Reviews
K
Verified Purchase
KSW
Chelsea, US
★★★★★ 5
Installed on 2013 JKU Rubicon
Model: 19202N
I had a lot of noise upon startup and was concerned it was more serious than the starter. After purchasing this and installing. All is good and it really as some pro at start up now. Exact fit for 2013 JKU
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
W
Verified Purchase
Wendy
Cuba, US
★★★★★ 5
Great fit, just like OEM
Model: 6646N
Works great, easy to install and fit perfectly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
B
Verified Purchase
Blufftonin
Dallas, US
★★★★★ 5
Starter is impressive
Model: 34009N
Easy to order and install. 9 pin gear instead of 10 gave lots of extra torque. Mower starts alot easier
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
C
Verified Purchase
C.T.
Lake Worth, US
★★★★★ 5
Working good
Model: 17960N
07 Honda Accord Finally had to replace the OEM starter I went with this one because I'm not sure how long I'll have the car. So far so good strong starts. The starter is in a bad location. Not impossible but not exactly easy to get to. Whatch some YouTube videos I just took the manifold off so I had some room to work.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
A
Verified Purchase
Aysha Harris
Charlottesville, US
★★★★★ 5
Happy with purchase
Model: 17986N, Model: 17986N
Delivery was on time as you can see in the picture the big difference I got the starter put on the car still won’t start that has nothing to do with the starter I’m actually about to order a fuel pump for Amazon and I will be reviewing that as while great product for a good price, thank you
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026

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