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Moving growatt axe batteries

 
Energy Storage
Last Post by David999 3 weeks ago
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 David999
(@david999)
Reputable Member Member
Joined: 2 years ago
Posts: 348
Topic starter 25/06/2026 4:39 pm   [#3075]

I was researching how to keep my loft area cool during summer months since I have two growatt 5kw axe stackable batteries.  During this hot spell although I have a large door I can open into the dormer, and fans it’s been a challenge to keep the temp as low as I would prefer. Sitting at 37.5 as I detail.

given the latest regs I’m thinking it’s time to move them to the lower floor and into the utility room or kitchen.  Can anybody give me the heads up on how difficult this would be. Should I make new battery leads, can I purchase leads to extend and can I purchase a new communication lead.  The distance is minimum since they sit above the kitchen.  Plan B would be to simply lift them out of the loft into the bedroom. The easiest option to be honest.  A mission impossible to cool the loft and it keeps the insurance happy. 



   
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 EtchedPixels
(@etchedpixels)
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Joined: 2 months ago
Posts: 110
26/06/2026 9:41 pm  

Battery leads are high current low voltage so they really want to be as short as humanly possible. The usual thing to do would be to move the inverter as well. If it's 37.5 your inverter is also probably aging far faster than it should.

If it's short enough and you don't mind a small hit then you can get/make new leads and extend/replace the communcation lead. You can also eliminate some of the additional losses by using thicker and alas pricier cables.



   
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 David999
(@david999)
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Joined: 2 years ago
Posts: 348
Topic starter 26/06/2026 9:54 pm  

@etchedpixels just been informed that you can’t have batteries in a bedroom and mine are too big to fit in the utility room or kitchen.  The batteries are unsuitable for outside and garage too far. So I guess it’s try and cool the loft better.



   
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