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Whether you’re camping, touring, or working remotely, a dual battery setup allows you to run essentials like fridges, lighting, and charging devices while keeping your main starting battery protected. It’s a practical upgrade that improves comfort, safety, and reliability on every trip.
Your primary battery is designed to start the engine and support basic vehicle functions while driving. However, using it to power accessories when parked can quickly drain it. A dual battery system separates these demands, ensuring your starting battery remains ready while your auxiliary battery handles everything else.
We supply a complete range of dual battery systems and accessories to suit different vehicles, setups, and budgets. Whether you’re installing a new system or upgrading an existing one, we help you select the right components so everything works together efficiently and reliably.
Our range includes battery systems, chargers, monitors, isolator kits, solenoids, voltage-sensitive relays, and solar-compatible charging options. We also offer practical add-ons such as volt meters, isolator switches, and booster kits, giving you greater control and visibility over your power setup.
With the right setup, you can confidently power everything from basic camping gear through to fully equipped touring systems.
Highly recommend Fast Fit. I had an issue with my dual battery set up no one else around town could sort out but Rocky and the team went above and beyond to get the issue sorted! Updated my old batteries at the same time for a great price!
A well-installed system is just as important as the components themselves. Batteries should be mounted securely using strong trays and positioned away from excessive heat, as high temperatures can reduce performance and lifespan.
It’s also important to ensure mounting points are strong enough to handle vibration and movement, especially when travelling on rough terrain. Using quality components and proper installation methods helps prevent long-term issues and keeps your setup running reliably.
Not all vehicles have space under the bonnet for a second battery. In these cases, installing a deep cycle battery in the rear of the vehicle or canopy can be a more practical solution.
Deep cycle batteries are designed to be charged and discharged repeatedly, making them ideal for running accessories over extended periods. If installed inside the vehicle, extra care should be taken with ventilation, secure housing, and protection from leaks or damage to ensure safe operation.
Choosing the right dual battery system doesn’t need to be complicated. With the right advice and quality components, you can build a setup that keeps your essentials running without putting your vehicle at risk.
Whether you need a simple solution or a fully integrated system, we can guide you through the options and ensure everything is installed correctly so you can focus on the journey ahead.
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