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Noise from inverter on solar battery

  • 16-10-2022 11:02am
    Registered Users Posts: 17

    Anyone have an issue with inverter noise? It's not a particularly loud noise but it's penetrating, relatively high-pitched, and, as it happens, directly above a bedroom in the attic of our bungalow. It happens usually at dawn and dusk (as the battery starts or ends its charging presumably) and lasts about 15 minutes.

    This morning however I heard it around 8:50am.


  • Moderators, Home & Garden Moderators Posts: 5,499 Mod ✭✭✭✭graememk

    If you could get beside it and video it?

    (Also what inverter and what battery?)

    Just wondering if anything was being used at the same time.

    The solis for sure has a noise when it's under heavy battery load. A bit like a fan, but a noisey one.

  • Registered Users Posts: 17 runamile

    I'll try to get a better recording, from down below and up there.

    I'll check the battery and inverter types, not too sure whether that is all available.

  • Registered Users Posts: 5,259 ✭✭✭con747

    The Solis inverters do make a noise under heavy loads and when charging at a high rate, it would be noticeable enough if your directly under it. Mine is in a hall outside my kitchen and I can tell when it's doing either by the noise through the door. Not very loud but if you have good hearing you will notice it. Put a couple of high load appliances on at the same time and have a listen, you should hear it kick in.

    Don't expect anything from life, just be grateful to be alive.

  • Registered Users Posts: 17 runamile

    Both the inverter and battery are Huawei made. I did make a video but I've misplaced it or possibly deleted it.

  • Registered Users Posts: 17 runamile

    Hmm, won't allow me to upload an MP4 file. Here's a photo of the installation however.

    Standing up close to the inverter/battery, it's very hard to distinguish where the sound is coming from, perhaps both. But the sound seems stronger when I put my ear to the actual battery.

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