Ray

@CarolThomas79 worth bearing in mind that your B2B charger needs a decent chunk of time just to ramp up and stabilise before it's delivering meaningful current — on a 20-30 minute run you're...

Good shout @DontPanic — and worth adding that even if the cells check out, with Jiabaida units I'd be keen to understand how the two banks are being managed together.

Ha, @FogstarFan that one got me 😄 @CopperRoamer whenever you're ready to finish that thought, do share the full picture — shore power setups on narrowboats can be a right rabbit hole depending on...

Picked up a 200A shunt monitor off Amazon a few weeks back (one of those Aliexpress rebrands, about £12) to keep an eye on my 100Ah LiFePO4 leisure battery in the van.

Ray1981 | 89 posts Good thread this. One thing nobody's mentioned yet — have you checked your panel angle?

Ray1981 | 312 posts @LazyWarden To add to what @CraftyWelder is saying — make sure you've set the charged voltage threshold correctly in the SmartShunt settings.

Really resonates with me this thread. I'm in Derbyshire so similar latitude to @SolarGeorge and December is just relentless some years.

@KevScott raises a really important point about measuring at the terminals. I'd also check whether your Orion is set to standalone or connected mode — in standalone it's essentially flying blind...