Mon - Fri 8.00am - 5.00pm
Got big plans for your 4×4? Don’t let your electrical system be the weak link. At Coastals 4×4, our 4WD electrical experts in Perth can design and install the ideal 12-volt setup for your needs. We handle everything from dual battery systems to run your fridge, to solar charging for extended trips, to installing UHF radios and lighting. As a combined mechanical and auto-electrical workshop, we offer a one-stop solution to power your adventures. With top brands like Redarc, Projecta, and Century on our shelves, you’re guaranteed reliable performance whether you’re touring the outback or camping off-grid.
One of our most popular upgrades is adding a dual battery system. This involves installing a second deep-cycle battery (usually in your engine bay or tub) dedicated to running accessories so you don’t drain your starting battery. We are Perth’s specialists in dual battery setups, offering:
Beyond dual batteries, we supply and fit a wide range of 12-volt accessories to make your 4WD more capable and comfortable:
Electrical work on 4x4s can be complex – but our team has decades of experience building robust 12V systems. Here’s what sets us apart:
With a well-designed 12V system, you’ll have the freedom to run a campsite fridge indefinitely, charge devices, light up the camp and more – all off the grid. No more melted ice or dead phone batteries in the bush!

Use our Contact Form or call us on (08) 9417 9930.
To visit our store head over to 68 Cutler Rd, Jandakot WA.
Our team is ready to help you!