
PowerBox
- 3-10 kVA
- 5-50 kWh
- 5 systems
All-in-one solar, battery and inverter in a single cabinet. Kelpie, Blue Heeler, Blue Heeler EX and Mastiff, sized for sheds and cabins through to full off-grid homes.
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One modular, Australian-made platform, from a portable unit you can wheel into place through to tow-ready solar trailers and whole-home cabinets. Browse by category below, or size a system in about a minute.

All-in-one solar, battery and inverter in a single cabinet. Kelpie, Blue Heeler, Blue Heeler EX and Mastiff, sized for sheds and cabins through to full off-grid homes.
View PowerBox range
Road-registerable solar trailers that arrive, deploy and power a site with no fuel and no noise. The Dash range is built for construction, events and emergency response.
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Everything that completes a system: solar panel mounts, flexible panels, battery bollards, a wireless monitoring display and an off-grid EV charger.
View accessoriesCompare Systems
Inverter and battery figures are from the product datasheets. Not sure which suits you? The calculator recommends one in about a minute.
| System | Inverter | Battery | Type | Best for |
|---|---|---|---|---|
| Kelpie MK II | 3 kVA | 5 kWh | Fixed PowerBox | Tiny homes, cabins, 1-bedroom off-grid |
| Blue Heeler MK II | 5 kVA | 10 kWh | Fixed PowerBox | Tiny homes, 2-bedroom off-grid homes |
| Blue Heeler EX | 5 kVA | 20 kWh | Fixed PowerBox | Larger homes, more storage |
| Mastiff MK II | 10 kVA | 25 kWh | Fixed PowerBox | Whole-facility, high demand |
| Kelpie Portable | 3 kW | Portable | Portable | Backup, build phase, on the move |
| Dash 5 | 5 kW | 10 kWh | Transportable trailer | Tiny homes, sites, events, response |
| Dash 8 | 8 kW | 20 kWh | Transportable trailer | Tiny homes, larger sites, higher demand |
Free Sizing Tool
Tell us what you want to run and for how long. Our calculator works out your daily energy use and peak load, then recommends the Maxxiom system that fits. It takes about a minute, with no obligation.
Why the Range Works
Engineered and assembled in Queensland, with parts held locally and shorter lead times.
Long-life lithium storage backed by a 10-year battery warranty and a 5-year equipment warranty.
No diesel, no refuelling and no noise, suited to homes, campuses and noise-sensitive sites.
Full documentation packs, AS/NZS compliance and CE-certified components for tender and handover.
Ready When You Are
Tell us about your site and our engineers will help you choose and size the right off-grid power solution.