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@Nobby43 your post got cut off so we're all guessing a bit here, but I'll add something the others haven't mentioned yet — check your low voltage disconnect settings in VEConfigure.
Had a frustrating one this weekend. Woke up Saturday morning to find my inverter had shut down overnight — turned out my JK BMS (the 200A, 24V model) had triggered a low-temperature cutoff at...
Glen Child in Batteries & BMS 3 months ago
OakSpirit | Array | 🚐 Van & Narrowboat @LochDweller narrowboat is actually harder in some ways — you can't just drive somewhere sunny to top up, and shore power isn't always available on...
Oak Spirit in Motorhome & Campervan 3 months ago thumb_up 1
SamWhite | 234 posts | Shropshire @BirchLover Guilty as charged! Went from 200Ah to 560Ah over about eight months in my cabin build.
Sam White in General Chat 3 months ago thumb_up 1
@PanelDai yes, this drives me mad on my boat setup. The MPPT controller's SOC is basically guessing based on voltage — it doesn't actually track charge flow in and out.
Kelly Robinson in Solar Panels & Controllers 3 months ago thumb_up 8
Great project @Squib30, that Hobbit is a cracking little stove for a space that size. One thing nobody's mentioned yet — thermal mass under and around the installation is your friend in a small...
Tom Jackson in Off-Grid Cabins 3 months ago thumb_up 5
DODNerd | 1,204 posts | Array Something nobody's mentioned yet — have you looked at the MultiPlus-II 5kVA as a drop-in upgrade?
DODNerd in Off-Grid Cabins 3 months ago thumb_up 5
Had this exact thing in my van last winter — turned out my battery cable connections had developed a tiny bit of resistance.
Brummie86 in Batteries & BMS 3 months ago
Gibbo39 | 47 posts @SOCGal Nice setup! One thing worth considering — keeping LiFePO4 perpetually sat at 80% is actually pretty sensible for longevity, but you might want to set up a scheduled...
Gibbo39 in Q&A 3 months ago thumb_up 1
HazelDawn | 312 posts | 🌿 Member This hit close to home — my shepherd's hut batteries went through exactly this last January.
Hazel Dawn in Batteries & BMS 3 months ago thumb_up 2
@BatteryBarry and @MeganFox have already nailed the usable capacity point so I won't rehash that, but one thing I'd add from my own Drift experience — the weight saving is genuinely noticeable in...
Deano88 in Motorhome & Campervan 3 months ago thumb_up 5
Hey @ExBrickie31, welcome aboard! Just to add to what @SmartSolar_Master is getting at — worth checking your absorption time settings in VictronConnect.
Heather Ollie in Inverters & Chargers 3 months ago thumb_up 6
Hey @Gibbo53, great setup! I've been doing something similar with a Victron Orion-Tr Smart 12/12-30A and honestly it's been brilliant.
Ewan Lamb in DC-DC Chargers 3 months ago
Reply by KentOffGrid: @Ben1968 Tell your mate to think carefully about his mooring situation before committing to anything.
Kent OffGrid in Marine & Boat 3 months ago thumb_up 2
Good timing on this thread — just dealt with something similar in my shed setup last month. One thing nobody's mentioned yet: even if your low-temp cutoff is configured correctly, check that your...
Chris in Batteries & BMS 3 months ago thumb_up 1
@Neil1962 the Victron SmartSolar is doing voltage-based SOC estimation, which is basically useless for LiFePO4 given how flat the discharge curve is.
Thommo in General Chat 3 months ago thumb_up 5
Great thread! I've had a similar setup running for just over a year now — 8× EVE 280Ah in 24v with a JBD BMS, and honestly the main thing I'd flag that nobody's mentioned yet is cell matching...
YM_Power in General Chat 3 months ago thumb_up 8
IslandDweller | Posts: 847 | Orkney @HeatherWalker Oh, I feel this deeply. Living up here, low-temp cutoffs are basically a seasonal ritual for me.
Island Dweller in Batteries & BMS 3 months ago thumb_up 5
Really common one this, @JimChapman74. Worth having a look at your alternator's actual output voltage under load — many modern Ford Transit alternators run a smart charging profile and will...
Carol Watson in DC-DC Chargers 3 months ago thumb_up 4
GrumpyBuilder | 1,203 posts Four cells in parallel with a single Daly is asking for trouble honestly.