Ken Crane

Interesting one – I can add another data point here. Same pattern on my off-grid cabin setup, Cerbo GX on v3.81 this time rather than v3.79, so it's persisted across that update at least.

Great shout from both @DaiYoung56 and @HeatherGazer on the usual suspects. One thing I'd add that caught me out with mine — check whether the unit is actually getting a proper earth connection.

Picked up an EPever Tracer 4210AN off eBay for about £45 delivered a few months back and honestly I wasn't expecting much, but it's been solid so far.

KenCrane | 156 posts @PU_Sparks Something worth trying before you go down the coulomb counter route — do a proper full capacity test on your cells first.

KenCrane | Posts: 847 Good thread this. One thing nobody's mentioned yet — have you looked at the 150/70 as a middle ground?

Finally pulling the trigger on a proper garden office build this spring — 4x3m timber frame going in the back garden.

Hey @Hamish1975, echoing what the others have said — we're missing the tail end of your post, so do fill in the blanks when you get a chance. While you're at it, it'd be really helpful to...