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Charging Converters

When you are on the road with your motorhome, it can happen that you have to deal with a flat on-board battery. High-quality charging converters from Offgridtec help to ensure that you can always travel without worries. These are essential for the reliable and continuous power supply of special vehicles such as motorhomes or boats and should not be missing from any mobile home.

Charging converter/charging booster - reliable power supply for motorhome and co.

For the power supply in the living area, motorhomes have an auxiliary battery. In order to charge this while driving like the starting battery, a connection is required between the two, but this must be disconnected when the motorhome is stationary so as not to discharge the starting battery.

A charge booster (also called a DC converter or charge converter) allows you to charge your on-board battery using the alternator. It ensures that your body battery does not discharge and enables a continuous power supply.

The advantages of charge boosters at Offgridtec

Your charge booster is mounted between the starter battery and the body battery and thus makes it easy to charge a second battery while driving.

With us, you will find a wide variety of models of high-quality charging boosters at the best price. Our models convince with a variety of advantages.

Charging booster/charging converter from the manufacturer Votronic

The charge booster from Votronic or also called B2B charger is one of the most innovative technologies on the market and offers excellent protection against overloading and effective charging of the on-board battery. In our online shop, you will find the quality charging converters from Votronic in a wide variety of designs, so that the ideal model is also available for your area of application.

Buy high-quality voltage transformers online at Offgridtec

Charging boosters are essential for enjoying your camping or boating holiday without exception and not having to worry about a flat battery. Browse through our online shop today and find the right model for your next trip or get advice from our experts right now.

We are always happy to assist you with our experience and expertise. Simply call us on +49 8721 91994-00 or send an email to [email protected] and together we will find the best charging converter for you!


  1. What is a charging converter? A charging converter allows you to charge a second battery in special vehicles while driving. This converter is mounted between the starter battery and the body battery and also monitors the voltage of the starter battery to prevent both batteries from discharging.
  2. Which charge booster for which battery? Charge boosters are adjustable to the respective type of batteries, i.e. for both gel and AGM batteries. A special version is required for lithium batteries.
  3. What is a B2B charger? B2B chargers, also called battery-to-battery chargers, provide optimal charging for additional batteries while preventing the main battery from discharging.
  4. Is a charge booster useful? Yes, a charge booster is very useful because it prevents your body battery from discharging. It also guarantees you a reliable mobile power supply.