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New slim battery aims to help UK homes save more solar power for later

Homeowners can scale the setup to 86.4 kilowatt-hours with up to six batteries.

Four modern white refrigerators are lined up against a dark wooden wall, with a glass patio in the background.

Photo Credit: Hinen

More homeowners in the U.K. are adding solar panels, electric vehicles, and heat pumps, but many still do not have enough battery storage to use that energy when they need it most.

That may soon change: on August 12, Hinen plans to introduce a slim home battery system for the U.K. market, according to Edinburgh News.

What's happening?

During an online event, Hinen will debut its A15 Residential Energy Storage System as a household option for storing solar electricity and using it later for daily power needs.

Using Hinen's A-series hybrid inverter together with the new B15 high-voltage battery, the system offers 14.4 kilowatt-hours of total storage per module, including 13.68 kilowatt-hours of usable capacity.

Homeowners can scale the setup to 86.4 kilowatt-hours with up to six batteries.

That could be especially important for households whose energy needs change over time. A home that starts with solar panels may later add an EV charger or a heat pump, and Hinen says the A15 can grow with the home rather than requiring existing batteries to be replaced.

Hinen is also stressing that the unit should be simpler to install in smaller spaces. The battery is 7.1 inches (180 millimeters) deep and has a compact footprint intended for garages, utility rooms, and other tight areas.

Why does it matter?

For many households, battery storage is what helps turn rooftop solar from a useful home upgrade into something that can more meaningfully reduce electricity bills. Without enough storage, families may generate power during the day but still have to buy electricity from the grid in the evening, when household demand is often highest.

A larger, expandable battery can help homeowners keep more of the energy they produce and use it for larger electricity needs, including charging an EV or running a heat pump. That can make clean-energy investments more practical and potentially more cost-effective over time.

Hinen says the unit is designed for more than 8,000 charge cycles and comes with a 12-year warranty.

It also uses battery heating so it can operate in temperatures as low as minus 4 degrees Fahrenheit (minus 20 degrees Celsius), while its IP65-rated enclosure and built-in five-layer battery protection system are meant to support performance across different installation environments.

What's being done?

Hinen's August 12 online launch is set to include an official unveiling, product demos, a walkthrough of the Hinen App, a live Q&A with product experts, and early-bird offers for attendees.

The company is also making the app part of its pitch. In one place, homeowners will be able to monitor energy generation, battery performance, and household electricity use, while over-the-air updates are meant to keep the system optimized over time.

As Rock Xu, CTO of Hinen, put it: "Homeowners want energy storage that is simple to own, easy to expand and built to last. The A15 combines all of those qualities in one compact system."

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