- Mobile Service: We Come To You
- Mobile Service
Custom 12V & 24V Off-Grid Systems
With the right off-grid power system, you can pull up almost anywhere and enjoy the comforts of home without relying on powered campsites. Whether you’re travelling for a weekend or living on the road full-time, a properly designed system gives you the freedom to stay off-grid for longer.
From charging phones and laptops through to running Starlink, coffee machines, CPAP machines, induction cooktops, air conditioners and other high-demand appliances, every system we build is tailored to the way you travel and the equipment you rely on.
- Lifetime Warranty on all Workmanship
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- Mobile Service - We Come To You
Off-grid power that lasts
Stay Off-Grid for Longer
No two customers travel the same way, which is why we don’t believe in one-size-fits-all packages. Every installation is carefully planned around your power consumption, battery capacity requirements, charging methods and future expansion plans.
A reliable off-grid setup is about more than just batteries. It’s about balancing power consumption with effective charging from solar, vehicle charging and mains power when available. We design complete power systems that maximise charging performance, battery life and long-term reliability while giving you the confidence to stay off-grid for longer.
From lithium battery banks and inverter systems through to advanced battery monitoring and remote system management, every installation is completed using proven components and professional workmanship. Whether you’re building a touring 4WD, custom canopy, caravan or motorhome, we’ll create a power system that works the way you travel.
Because when you’re hundreds of kilometres from the nearest powered site, reliability matters.
Off-Grid System Types
Everything we supply and install to keep you connected, safe and tracked wherever the road goes.
Caravan Off-Grid Systems
From weekend touring through to full-time travel, we design complete off-grid power systems for caravans. Whether you need to run a fridge, coffee machine, Starlink, induction cooking or air conditioning, every system is tailored to your power requirements and travel style.
Touring Canopy Systems
Custom canopy power systems designed for serious touring and remote travel. From lithium batteries and solar charging through to inverter systems and battery monitoring, we build reliable off-grid solutions that keep you powered wherever the tracks take you.
Motorhome Power Systems
Enjoy the comforts of home wherever you travel. We design and install complete off-grid systems for motorhomes, balancing battery capacity, solar charging and inverter requirements to suit your lifestyle.
Work Vehicle & Service Body Systems
Reliable power solutions for trades, farmers and mobile work vehicles. Whether you’re charging tools, running fridges or powering equipment in the field, we design systems built for everyday use.
Lithium Battery Upgrades
Upgrade outdated AGM systems with modern lithium technology for increased usable capacity, faster charging and improved performance. We can integrate lithium batteries into existing systems or design a complete upgrade from the ground up.
Monitoring & Power Management
Take control of your power system with advanced battery monitoring, remote monitoring and power management solutions. Know exactly what’s happening with your batteries, solar charging and power consumption wherever you are.
Why Choose Coast Custom 12 Volt?
- Fully mobile service
- Custom designed systems
- Clean, reliable wiring practices
- Quality components and installation standards
- AS/NZS compliant installations
- Servicing Warwick, Toowoomba & Southern Downs
Mobile Service
Our Service Locations
Based in Warwick, Qld, we travel across the Southern Downs and Darling Downs for Starlink and connectivity installs.
Related Services
Starlink & Connectivity
Starlink and signal boosting so you can stream, work and stay reachable wherever you roam.
SOLAR SOLUTIONS
Roof and portable solar with Victron MPPT, sized to keep your batteries charged.
Dual Battery Systems
Power your fridge, lights and accessories while protecting your starter battery.