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Jonathanprentice
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January 11, 2024
Solved

Batteries charging less in cold temperatures (Solar Power)

  • January 11, 2024
  • 4 replies
  • 878 views

Good Day,

 

I have noticed in the past few days, when it has been extremely cold that my Solax Battery isn't force charging as much power from the grid as last week when the night time temp was warmer. I used to get 2.4kwh an hour and when its cold only 1kwh max…..

Has anyone else experienced this. 

 

Thanks again Jonathan

Best answer by Jonathanprentice

Updated on 27/05/25 by Emmanuelle_OVO:

Got any more solar or battery related questions? Head to our library for more information: https://forum.ovoenergy.com/energy-efficiency-technology-savings-187

Thanks for the feedback. This is my full season of having solar batteries so it interesting how they work in different temperatures. It appears that as the ambient air temperature is low in our garage the amount of wattage being drawn into the battery is lower in low temperatures. 

thanks again for your input 

4 replies

BPLightlog
Super User
BPLightlogSuper User
Super User
January 11, 2024

It will depend on the specific model but SolaX do state that optimal operating temperature is 15-35 deg C 

 

Bring me Sunshine ~ E&E {Solar PV, Battery Storage, Hybrid EV, ASHP and Home Assistant automation}
    J
    Rank 5
    JonathanprenticeAuthor
    Rank 5
    January 11, 2024

    Ive seen this article on the net. Any thoughts?

     

    https://forum.buildhub.org.uk/topic/35293-how-to-keep-sunsynk-batteries-warm/ 

    BPLightlog
    Super User
    BPLightlogSuper User
    Super User
    January 11, 2024

    Ive seen this article on the net. Any thoughts?

     

    https://forum.buildhub.org.uk/topic/35293-how-to-keep-sunsynk-batteries-warm/ 

    An interesting article. I don’t do anything with mine as they are mostly in use so do generate their own heat

    Bring me Sunshine ~ E&E {Solar PV, Battery Storage, Hybrid EV, ASHP and Home Assistant automation}
    J
    Rank 5
    JonathanprenticeAuthorSolved
    Rank 5
    January 11, 2024

    Updated on 27/05/25 by Emmanuelle_OVO:

    Got any more solar or battery related questions? Head to our library for more information: https://forum.ovoenergy.com/energy-efficiency-technology-savings-187

    Thanks for the feedback. This is my full season of having solar batteries so it interesting how they work in different temperatures. It appears that as the ambient air temperature is low in our garage the amount of wattage being drawn into the battery is lower in low temperatures. 

    thanks again for your input 

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