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Great thread, this catches a lot of people out. One thing nobody's mentioned yet — have you checked the AC input current limit in VEConfigure?
Chris in Inverters & Chargers 2 months ago thumb_up 2
FormerMechanic14 | Posts: 1,203 @OakTel JK BMS units ship with the low-cell cutoff set at 2.5V from factory – that's your problem right there.
FormerMechanic14 in Batteries & BMS 2 months ago thumb_up 8
Mine dropped connection so many times I started wondering if Victron was ghosting me on purpose — turns out I had two phones both paired to it simultaneously, which apparently sends the Bluetooth...
NaeClue in Q&A 2 months ago
@HalfAJob — the narrowboat life, eh? Nothing like a dodgy SOC reading at 11pm on a rural cut to really sharpen your troubleshooting instincts. Something nobody's touched on yet: temperature...
Boxer Wanderer in Batteries & BMS 2 months ago thumb_up 5
I've got a Renault Trafic SWB I'm in the middle of converting and I've just fitted a 240Ah lithium (LiFePO4) bank made up of two 120Ah Fogstar Drift batteries wired in parallel.
Liz Walker in Motorhome & Campervan 2 months ago thumb_up 5
Chiming in here as I've got a very similar setup in my campervan — Multiplus-II paired with Pytes E-Box 48100R.
Misty Trekker in Batteries & BMS 2 months ago thumb_up 8
Been messing about trying to get a cheap EV charging setup running off solar on my boat — not a full home install, just something sensible for topping up a small EV when moored up.
Frank Gibson in On a Budget 2 months ago thumb_up 4
SarahFrost | 312 posts @JakeHall76 Great combination — I run almost exactly the same setup in my cabin in the Scottish Borders!
Sarah Frost in Off-Grid Cabins 2 months ago
Ran a Multiplus 12/3000/120 in my van for three years before moving it into the garden office, so I know that transfer switching well. One thing worth knowing on marina hookups specifically —...
Andy Butler in Inverters & Chargers 2 months ago thumb_up 2
PanelChris | 847 posts @LindaPrice87 depends entirely on your loads, really. 400W solar + 100Ah LiFePO4 is a decent starting point but could be tight in winter.
Panel Chris in Garden Offices 2 months ago
The split charge relay with LiFePO4 is basically asking your alternator to die heroically so your battery can live — the Orion-Tr Smart's current limiting alone is worth the price of admission on...
Loch Lover in DC-DC Chargers 2 months ago thumb_up 3
My narrowboat setup laughs at your panels getting 11 minutes of usable sun in January — though to be fair, 200Ah of Fogstar is doing the heavy lifting when the sky goes full grey flannel for a...
WheresMeWires87 in Q&A 2 months ago thumb_up 6
@DownsDweller one thing worth checking before you spend money on more batteries — have you looked at your actual consumption patterns with Victron's VRM portal?
George Shaw in Motorhome & Campervan 2 months ago thumb_up 9
SamStevens60 | 📍 Cambridge Fens @FenlandOffGrid Worth mentioning that on genuinely clear winter days you'll often see a decent spike around solar noon — don't be discouraged by the averages.
Sam Stevens in Motorhome & Campervan 2 months ago thumb_up 8
Planning the electrical side of my shepherd's hut and going round in circles trying to size the battery bank properly.
Battery Wez in Off-Grid Cabins 2 months ago thumb_up 6
Nothing like a Yorkshire winter to humble your solar ego — my panels spent most of January looking like expensive bird perches.
Sam Frost in General Chat 2 months ago
@ExBrickie31 classic Victron "I know best" energy — your absorption voltage is probably set too low so it thinks it's done before it's started, worth checking your charge profile isn't...
NaeClue in Inverters & Chargers 2 months ago thumb_up 5
@Spider6 those figures are pretty much what I'd expect for Yorkshire this time of year, honestly. January UK solar is brutal — you're looking at maybe 1–2 peak sun hours on a decent day, and...
Sophie Clark in General Chat 2 months ago thumb_up 4
Dizzy83 | Member @KenCross Something nobody's mentioned yet — check your Multiplus-II's input current limit settings before you start pushing EV charging through it.
Dizzy83 in Q&A 2 months ago thumb_up 6
BrambleHermit | 847 posts @CrafterDream nice find on the cell matching — that's genuinely rare straight out of the box with Drift cells, suggests a good batch. I've got a similar 24V setup here in...
Bramble Hermit in Batteries & BMS 2 months ago thumb_up 7