Power Management

Utilities available off-grid

Most campervans and motorhomes have a 12V house battery (also called an auxiliary battery). Depending on the vehicle, it can run equipment such as:

• fridge
• house lights
• water pump
• house radio or stereo
• toilet flush
• rangehood
• house USB ports
• ignition for the water heater or diesel heater

Not every vehicle has all of these. Check your vehicle's details or handover information for what's fitted.

How long the battery lasts without charging depends on its size, the vehicle's charging equipment, how much you use, and the weather.

Utilities available while connected to power

In most vehicles, these need a 240V connection, such as a powered campsite, to work:

• electric jug
• toaster
• microwave
• 240V power sockets
• reverse-cycle air conditioning in the living area (some larger vans)

If you want living-area air conditioning or heating, check the vehicle details before booking. Most systems need a powered site. Our heating and cooling guide explains more.

Battery & solar

The house battery is usually a deep-cycle battery, and in most campervans it's separate from the engine battery. How it charges, and what happens if it runs flat, depends on the vehicle. Depending on the model, it may charge from a powered site, while you drive, or from solar panels where fitted.

There's no single charging routine that suits every vehicle. Ask your rental company how your vehicle charges and how often they recommend plugging in, and check the handover information or manual. Then plan powered sites into your trip to match, especially if you'll be using a lot of power or staying off-grid for several nights. The harder the battery works, the faster it drains, so turn off anything you aren't using.

Solar panels, where fitted, add charge in daylight. How much they add depends on the panels, the weather and where you park, so don't rely on solar alone until you know what your vehicle's system can do.

How to connect to power

Most vehicles come with a lead to connect to a powered site. Powered sites can have limited availability during school holidays and peak seasons, so book them in advance.

Use the supplied lead, or one your rental company has approved, with a suitable power supply such as a powered site, and follow your rental company's instructions. The supplied lead usually won't fit a household power point. If you're thinking of using a household outlet or a generator, ask your rental company first. Our electrical safety guide explains how to connect safely.

Next steps

• Overnight parking: finding and booking powered sites
• Using campervan features: the fridge, awning, gas and other features
• Utility failures: what to do if the power stops working

Part of During Your Trip in the Campervan Hire Handbook.