Applications & Installations

Estonia’s Freen launches 10 kWh residential sodium-ion battery

The new home energy storage solution from Estonia’s Freen is based on sodium-ion battery chemistry and can be coupled with both rooftop PV and small wind turbines.
Marija Maisch
By
Marija Maisch
Image: Freen

From ESS News

Estonian renewable energy company Freen OÜ has launched a 10 kWh sodium-ion home energy storage solution, designed to integrate seamlessly with both solar panels and small wind turbines.

Freen says that its sodium-ion batteries are non-toxic, non-flammable, and highly stable, ensuring safety for residential use. They are designed to integrate seamlessly with a wide range of inverters from leading manufacturers, including SMA, Sungrow, Growatt, Deye, GoodWe and many more.

The residential energy storage system comes with a rated voltage of 48 V, and an operating voltage range from 40 V to 60 V. It achieves a depth of discharge of 90%. Its maximum charge/discharge rate is 210 A. The battery delivers more 4,000 charge-discharge cycles.

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Comments

Boba
Mar 19, 2025

That is finally something that reasonable people can get behind. Clean AND safe, at least at the point of use. At least that’s what we’ve been told.

Lithium is a proven scourge on the whole green transition narrative. Let’s hope sodium is where it’s at.

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