DanMurray | 312 posts
@Kingy72 Had almost identical bother with mine last winter. One thing worth checking beyond the BMS settings — are your cells actually getting proper airflow around them, or...
I picked up a 110Ah AGM leisure battery off Facebook Marketplace last month for £25 from a bloke who said it "came out of a motorhome, barely used." Ran it through my cheapo capacity...
@ExBrickie makes a fair point about the narrowboat analogy — steel conducts cold brutally and that chassis is essentially a giant thermal bridge running the full length of the hut.
One thing I'd...
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