Mastervolt Mac Plus 12/12-50 Converter - P/N 81205100

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Mac Plus 12/12-50 Converter

Charging the service batteries on board of a vehicle or vessel can be challenging. Recharging tends to take a long time and batteries may not receive a full charge. This is a common problem found in boats, service vans, campers and trucks. Smart alternators and start/stop systems make the problem even worse.

Robust DC-DC charger guarantees optimal condition of your service battery

Traditionally, a service battery is linked to the starter battery by means of a charge relay. The starter battery is located close to the alternator and receives most of the charge current. However, the service battery is usually further away. Long cables cause voltage drop, leading to slow charging, resulting in failing appliances and premature failure of the battery.

Modern, fuel efficient engines are equipped with smart alternators, following regulations such as Euro 5 and Euro 6. Instead of a constant output, smart alternators provide a variable voltage; after a brief charging period, voltage is reduced and the charging stops. Furthermore, the energy produced by regenerative braking leads to voltage peaks. Service batteries coupled in the traditional way will receive hardly any charge and may be damaged by these peak voltages.

To solve these issues, Mastervolt introduces the Mac Plus DC-DC chargers, available in 12 V or 24 V. The Mac Plus monitors the service battery and compensates the voltage loss. The proven 3-step charge method ensures a quick and safe charge. Moreover, by stabilizing the charge voltage, Mac Plus protects your service battery and sensitive equipment.

The Mac Plus is your battery’s best friend. It monitors your service battery and makes sure it’s always fully charged, maximizing the lifetime of your battery.

Features:

Fast and safe charging during short trips.
Fanless design for silent operation.
Suitable for flooded, Gel, AGM and Li-Ion batteries (incl. LiFePO4).
Charges even fully depleted batteries.
Engine run detection protects starter battery.
Adjustable current limits to meet Euro 5/6 requirements.
Voltage stabilisation protects sensitive equipment, lights and loads.
Parallel operation to obtain charging capacities well over 100 Amps.
MasterBus for intelligent system monitoring and automation.
Temperature compensation and voltage sense for an optimal charging result.
E-mark certification for mobile applications.
Power supply mode.
Heavy duty connections for easy installation and quick set up via DIP switches.

Applications

Boost charge voltage when service battery is located further from charging source or in systems with a smart alternator. When a stable power supply or different system voltage is needed.

Euro 5/6 solution

Charging service batteries in Euro 5/6 applications?
The Mac Plus provides constant power to the service battery, even when the alternator is inactive.

Parallel operation

The parallel configuration of several units will provide you over 100 amperes. Advanced high-frequency technology with modern microprocessors ensures minimum power loss when switching from 24 to 12 V and vice versa.

Warning WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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ProPride 3P Hitch, Hassle Free, 60-Day No Risk Guarantee

You can return the 3P Hitch at any time during the first 60 days of use for a complete refund. That's a 100% risk free guarantee. 60 days begins when you receive the product unless otherwise arranged for a later date. We must receive the product in Holly, MI in 60 days or less. To initiate a return you can contact us for a return merchandise authorization. If the hitch was purchased during a FREE shipping promotion, $299 will be deducted for any returned hitches.

Shipping

We can ship to virtually any address in the Continental US. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.