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What brand/make of battery is that? I'm tentatively interested in home battery storage, but definitely not interested in shit that requires an app, an internet connection, and shitty saas spyware...




MARSTEK VENUS E 5.12kWh. Got it in August 25 for 1050,00 EUR. It is awesome how open it is designed, I was able to activate and automate it without adding it to my local network (wifi) or using the Marstek App even once. I wrote a blog post here [1].

[1]: https://du.nkel.dev/blog/2026-01-11_marstek-battery-homeassi...


5 kWh for 1kâ‚Ĵ! Wow! Thanks for sharing

Edit: and thanks for the writeup. This is exactly what I was looking for


Thanks for the kudos. Just note, I will add an update tomorrow - I optimized the automatic, it is now working pretty well. Before it was "overshooting" and the battery fed into the grid, or went into standby too often, just to start discharging again.



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