From ESS News
Chinese battery solutions maker Anker Solix has launched the Solarbank Max AC, a 7 kWh modular home battery system designed to retrofit existing rooftop solar installations, with a bidirectional 3.5 kW inverter and capacity expandable to 42 kWh.
The modular Solarbank Max AC battery system can now handle five additional LFP battery modules at 7 kWh each.
The product represents a step up in scale from Anker Solix’s existing Solarbank lineup in Europe, which has focused primarily on balcony solar systems.
The Solarbank 3 E2700 Pro, offers 2.688 kWh per unit and up to 16 kWh of total capacity, with an output of 800 W to 1,200 W. The Solarbank Multisystem, launched in August 2025, extended that further by allowing up to four Solarbank 3 Pro units to operate in parallel via a central Power Dock, reaching 64 kWh and 4.8 kW of AC output, as part of the Solarbank 3 ecosystem.
Now the Solarbank Max AC takes a different approach: a single, larger base unit aimed at households with existing rooftop PV that want battery storage without a full inverter replacement, and with plug-in functionality for DIYers.
Anker Solix says the system can be self-installed under certain conditions and in compliance with local regulations, which differ between European countries. Professional installation is generally required for full home storage operation and full output. In Germany, for example, regulations are increasingly changing to support plug-in operation including charging from the grid, with output limits up to 800 VA, meaning self-installation and self-registration are permitted only to a point.
The retrofit market the company is targeting is more toward large-scale full rooftop solar systems, and all up, the company claims the Solarbank Max AC is the world’s first 7 kWh all-in-one plug-in home storage system.
To read more, please visit our ESS News website.
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