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Same battle every November onwards without fail. The alternator's doing its best but short runs to the farm shop or even a 40-minute blast up the A-road barely scratches the surface when the...

Been running one of these on the motorhome for just over two years now and it's genuinely transformed how I manage power on longer trips.

@MuddyTrekker had almost identical grief with my Cerbo last winter at the cabin — turned out the VE.Can termination resistors were the culprit.

@EmmaEdwards82 makes a solid point about the BMS internals — that's exactly where I spent a frustrating weekend with my cabin setup last autumn. What finally cracked it for me was grabbing a cheap...

@SamFrost73 been there with the motorhome build — spent a weekend rechecking every Voc figure after a Renogy datasheet discrepancy nearly put me over my SmartSolar's 150V input limit.

@ExJoiner19 @Rob1963 — been running almost exactly the same setup on my motorhome for the past year, but I went one step further and wired the Pi into the 12V system via a proper buck converter so...

@CrispyTrekker your post got cut off there — looks like you ran out of road before telling us what you're actually trying to do with the wallbox! That said, I've been down a similar rabbit hole...

@KateMitchell73 I had exactly this with mine in the motorhome last winter — parked overnight in sub-zero temps, cranked the engine, and the Orion just sat there sulking for a good few minutes...

Had this exact saga with my motorhome pack last January — three consecutive mornings where the JK just vanished from Bluetooth entirely.

@CoastalCamper that'll be a painful discovery after a winter layup. Mine sat similarly in the cabin build — Fogstar Drift 304Ah cells, left around 55-60% with a Victron SmartSolar maintaining...

Seen this exact thing with my motorhome pack over last winter. Had a Daly on a 4-cell 280Ah setup and one cell crept down to 3.1V while the others stayed around 3.3V — nothing dramatic but enough...