Wiring diagram for RVs and leisure vehicles – Victron MultiPlus with lithium storage

Complete guide with wiring diagram, components, and installation advice for a safe and efficient energy system in a motorhome or van.

Are you planning to install a power system in a motorhome, van, or recreational vehicle? Then this detailed guide and wiring diagram from Victron Energy is a must-have. The diagram was developed by Peter Bakker – the designer behind all the drawings in our free library – and includes a unique review of system choices.

What does the guide include?

This diagram shows how you can build a flexible energy system with different levels of monitoring, measurement, and control. Perfect for both professional installers and DIY enthusiasts. You get a solution that can be adapted to the customer's or your own needs.

Main system components

• 3kVA MultiPlus inverter-charger for stable AC power
• 300Ah lithium battery with integrated BMS
• Charging from solar panels, generator, and AC sources
• Orion Tr Smart DC-DC Charger for generator control
• Local and remote monitoring via Victron VRM

Why is this guide valuable?

In addition to the wiring diagram, you get a complete explanation of each unit, how they are connected, installation notes, warnings, and alternative solutions. Perfect for avoiding mistakes and optimizing your system.

Links to resources

• Wiring diagram for motorhome with 3kVA MultiPlus and lithium storage
• All Victron system diagrams – search for your device
• Wiring Unlimited – sizing of cables and fuses

Conclusion

With this guide, you can create an efficient and safe energy system for your recreational vehicle. Whether you are an installer or a DIY enthusiast, Victron gives you flexibility, quality, and control.