If you live off the grid — or you’re planning to — you already know how important it is to have a power system you can count on. That’s where XESS by ONE comes in. It’s not just another solar setup. It’s a rugged, reliable, Aussie-made system designed to keep your power on, no matter what.

Here’s why it’s getting attention in off-grid communities across Ballarat and beyond:

1. No Single Point of Failure

With most systems, if one part goes down — like a battery or inverter — the whole thing can stop working. That’s not the case with XESS. Each major part runs independently, so even if one fails, the rest keep doing their job.

Take the battery setup: if one needs to be shut down for maintenance, the others stay running. It’s called hot-swapping, and it means you can replace or repair parts without cutting power. That’s a big deal when you’re off-grid.

There’s also built-in backup control — if the main controller ever stops talking to the components, they just switch to self-managed mode and keep going.

2. Easy to Install, Easy to Work On

Setting up solar in rural areas can be a pain — XESS makes it easier. The cabinets roll into place on wheels, and the battery connections are quick and simple. Load-rated feet and high-capacity busbars mean they’re built solid from the start.

Best part? If anything ever needs work, it can be serviced on-site. No shipping whole systems off for repairs.

3. Smart Battery Tech

XESS uses a feature called Active Cell Balancing. That means it’s constantly shifting energy between battery cells to keep them in balance. Why does that matter? It keeps the batteries healthier and extends their life — which saves you money down the track.

Even if something goes wrong with the main controller, the system keeps running in “fallback” mode to keep the lights on.

4. Scales to Fit Any Setup

Every battery gives you 5.12 kWh, and you can connect up to 64 of them in parallel — that’s over 400 kWh of storage if you need it.

Smaller setups can start with a single cabinet (30 or 50 kWh), and bigger ones can grow from there. Whether you’re powering a home, a workshop, or something even larger, there’s room to expand.

5. Handles the Aussie Climate

Ballarat winters? Summer heatwaves? No problem.

XESS runs between -10 and +55°C, handles high power loads, and uses safe, stable LiFePO₄ chemistry — the good stuff when it comes to battery performance and safety.

6. Warranted to Last

You get a 7-year warranty, which you can stretch to 10 years by registering. It’s built to last, with each battery rated for over 5 MWh of throughput and a guaranteed 70% capacity at the end of its life.

7. Made Here, Supported Here

XESS is designed and built in Australia by the team at ONE, with technical backup from AERL — an MPPT innovator that’s been around since 1985. That means local support, local smarts, and peace of mind.

Thinking Off-Grid?

XESS isn’t just another solar battery. It’s a rock-solid system for real-world Aussie conditions. Whether you’re on a property out past Ballan or just want energy independence closer to town, it’s a solution worth looking at.

Want to chat about a setup that fits your place?
Let’s talk. We’re local, and we know what works here.