19/10/2026
Introducing the Fox ESS Power Cube: Next-Gen Hybrid Inverter
The Fox ESS Power Cube is a cutting-edge hybrid inverter packed with advanced features, IP66 protection, and compatibility with high-voltage batteries — a major leap forward for home solar storage.
At Sun Magnet Solar, we're always on the lookout for the latest innovations in solar technology — and the new Fox ESS Power Cube has genuinely caught our attention. This sleek, all-in-one hybrid inverter represents a significant step forward in home energy storage, and we're excited to share what makes it stand out.
The Power Cube is Fox ESS's latest hybrid inverter, designed to work seamlessly with their own range of high-voltage batteries. It combines solar generation, battery storage, and grid management into a single, compact unit — making it an ideal choice for homeowners who want a clean, efficient, and future-proof energy system.
One of the standout specifications is the IP66 ingress protection rating. This means the Power Cube is fully dust-tight and protected against powerful water jets — making it suitable for installation in exposed locations such as garages, outbuildings, or external walls. You won't need to worry about the British weather getting the better of your inverter.
The Power Cube is designed to work with Fox ESS's own range of high-voltage batteries. High-voltage systems are more efficient than their low-voltage counterparts, meaning less energy is lost during charging and discharging. Over the lifetime of your system, this translates into more usable energy from every unit of solar power your panels generate.
As a true hybrid inverter, the Power Cube manages multiple energy sources simultaneously — solar panels, battery storage, and the grid. It intelligently prioritises how energy flows through your home, ensuring you use your own solar power first, draw from your battery second, and only pull from the grid when absolutely necessary. This kind of smart energy management can make a real difference to your electricity bills, particularly during the winter months when solar generation is lower.
The Power Cube lives up to its name — it's a neatly proportioned, tower-style unit with a clean white finish. It's designed to look at home in a modern property rather than being hidden away. If aesthetics matter to you (and for many of our customers, they do), this is a refreshing change from bulkier inverter designs.
Here in Norfolk and Suffolk, energy costs remain a significant concern for households. With electricity prices still elevated compared to historical averages, having a system that maximises your self-consumption of solar energy is more valuable than ever. The Power Cube's intelligent energy management means your battery is charged at the right time — prioritising cheap overnight tariff rates or surplus solar generation — and discharged when grid electricity is most expensive.
We already supply and install Fox ESS's EVO range, which has proven extremely reliable across dozens of installations in the region. The Power Cube builds on that foundation with a more refined design and enhanced battery compatibility. For customers who are planning a larger battery storage system or who want the very latest technology, the Power Cube is well worth considering.
If you'd like to find out more about the Power Cube and whether it's suitable for your property, get in touch with our team. We offer free, no-obligation quotes and can advise on the best system for your situation — whether you're installing solar for the first time or looking to upgrade an existing setup. We cover Norfolk, Suffolk, and the surrounding areas, and all our installations are carried out by MCS-accredited engineers to the highest standard.
