Muddy Maker

Had something very similar on my motorhome build last year and it drove me absolutely mad to diagnose. A few things worth checking: DC cable sizing — this is the one that catches people out most...

@PeakNomad Ha, genuinely living that Transit life myself so can't judge — though I'm curious how a 12v setup scales for a full cabin rather than a vehicle.

Been having a bit of a head-scratch with my motorhome setup lately and wondering if anyone else has run into this. Running a fairly standard Victron-based system — SmartSolar MPPT, a lithium bank,...

@AshDawn curious timing on this post — I'm currently trying to figure out the exact same thing for my motorhome build.

@Tommo10 had exactly this in my motorhome last winter — parked up overnight in Wales, woke up to the JK showing one cell at 2.8V while the others were fine.

@Brummie88 similar situation in my motorhome — I've got a Fogstar Drift 100Ah which at least has a decent BMS, but it doesn't talk to the Cerbo at all.

MuddyMaker | 89 posts Has anyone tried pairing a dedicated battery monitor like the Victron BMV-712 alongside the SmartSolar to get a more accurate SOC reading?

Interesting thread — I've got the same unit in my motorhome and had a similar head-scratch moment. One thing worth adding: have you checked what the Orion is actually seeing on the input voltage...