Dual Battery Systems in Wollongong

  • Complete Your Off Grid Kit – Power fridges, stoves and more without draining your starting battery.
  • Comprehensive System Setup – We let you drive away with confidence knowing your battery system is ready to go.
  • Stay Ready to Hit the Road – Avoid delays on your next trip with our smooth processes.
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Quick, Reliable and Stress-Free Service

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Power On When Off Grid

Running your gear without draining your starter battery is a must when you're heading off the beaten track. At Scotts Auto Air & Electrical, we design and install dual battery systems in Wollongong that give you reliable off grid power for camping, caravanning or work.


A properly set up system allows you to run fridges, stoves, lights and charging stations without ever touching your vehicle’s main battery. We install inverters and 240V off grid batteries that are safe, compliant and built to suit your specific power needs.


Whether you're building out a van, touring in a 4WD and need custom electrics or require diagnostics and repairs, we’ll make sure you’ve got the freedom to power up without running down. Call 0413 001 038 to get a custom system built right the first time.

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No Pre-Fab Shortcuts

We’ve seen what can go wrong with cheap pre-fab dual battery kits and we don’t go near them. At Scotts Auto Air & Electrical, we create custom installations that are not only built to last but also fitted to strict Australian regulations. That means correct cable sizing, secure mounting, system isolation, and solid inverter integration.


Every dual battery install we do in Wollongong is completed with care using high-quality gear and tested for safe, consistent performance. We also deliver diagnostics and repairs, and complete caravan electric brake setups.


If you’re trusting your battery to run your essentials off grid, you want the wiring done properly, not just good enough. That’s where we come in.

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Inverter Fitting for Vehicle Power Convenience

Need to run tools, a laptop or a fridge from your vehicle? An inverter is the smart way to convert DC power to 240V AC power and at Scotts Auto Air & Electrical, we handle custom inverter fittings across Wollongong, as well as diagnostics and repairs.


We install inverters in utes, vans, caravans and recreational vehicles, wiring them in safely with the right cabling and battery isolation. Whether you're on the job or heading off grid, we’ll help you power the gear you need without draining your main system.


Inverter sizing, placement and safety are all factored in, so you get a setup that’s both reliable and road ready.

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