Ikea TREDANSEN with premanent power supply

Hardware
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Hi, I haven’t found many sources on this topic, so I decided to share my results.

I have three Zigbee Ikea blinds at home. I don’t want anything connected with Home Assistant to have batteries, so in the case of these blinds I had to figure out how to get rid of the battery.

The instructions say that these are 7V batteries, the maximum voltage is 8.4V. All I had to do was remove the batttery connector, connect an 8.4V power supply to it and the blind works fine, always reporting 100% battery.

ikea
ikea1600×1200 251 KB

I have a 5V LED power supply in the wall, to which a step-up to 8.4V is connected. So far, everything has worked flawlessly. If the blind loses its opening percentage from time to time, all I had to do was open it all the way to reset the position.

I hope that if someone is looking to see if it is possible, they will find information on the forum that it is possible :slight_smile:

Cheers

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And this is my in-wall power box

signal-2025-05-04-235742
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Do you have a fuse on the DC side somewhere in case the cat bites thru the wire, or whatever?

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The entire installation is behind the differential circuit breaker, and then the B6 overcurrent. On the DC side all cables are in the walls and box is closed with a plastic cover, but fuse is not a bad idea, I’ll add a few, thanks :heart:

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