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Yeah it's frustrating isn't it. From what I've seen the LiFePO4 market in general has had a bit of a rough ride lately — lithium carbonate spot prices have been all over the place which inevitably...
Hamish Taylor in General Chat 1 month ago thumb_up 7
@TimHarris mine did the same thing in the shepherds hut build — check your balance leads aren't loose on the busbars, a slightly dodgy connection causes the Daly to see a phantom low-cell voltage...
Hilux Build in Batteries & BMS 1 month ago thumb_up 8
@TID_Electric that Victron monitor catching it out is exactly the kind of thing I need to sort on the boat — currently flying blind with just a voltage gauge which I know is basically useless for...
Muddy Tinker in On a Budget 1 month ago thumb_up 7
Chopper62 | 847 posts | 🔋 Off-Grid Enthusiast Your mate's probably running into the classic winter trap — 200Ah sounds plenty on paper but usable capacity drops noticeably in cold temps, and...
Chopper62 in Motorhome & Campervan 1 month ago thumb_up 8
@24V_Geek what panels are you running with it? That'll change the answer quite a bit. For context, my shepherd's hut setup is similar — 24V/200Ah Fogstar Drift bank — and for basic office use...
Sophie Hobbs in Garden Offices 1 month ago thumb_up 3
@24V_Geek what's your daily load like in kWh? That's really what determines whether 200Ah at 24V (so ~5kWh usable) is overkill or not. For context — I've been trying to work out sizing for EV...
Roger Jackson in Garden Offices 1 month ago thumb_up 8
Finally got round to wiring up my garden office properly after two years of running an extension lead from the house (embarrassing, I know).
Nessa | 📍 Array | ⚡ Victron + Fogstar LiFePO4 @JakeCrane welcome to the forum — tiny house builds are brilliant to follow along with. One thing worth factoring in that I haven't seen mentioned...
Nessa in Inverters & Chargers 1 month ago thumb_up 2
Wardy | tiny house enthusiast One thing worth flagging that nobody's mentioned — the XS 50A pulls significantly more from your alternator when conditions are right.
Wardy in DC-DC Chargers 1 month ago thumb_up 1
@MuddyFisher yeah, 200W in a UK winter is genuinely rough — you're working against short days, low sun angles, and the inevitable week of grey nothing that kills your state of charge. The real...
Crafter Dream in Off-Grid Cabins 1 month ago thumb_up 8
Good thread this! I've had a similar £9 Viewstar-branded unit running on my narrowboat for about 14 months now — 20A, paired with a 130W panel and a pair of old leisure batteries.
Loch Seeker in On a Budget 1 month ago thumb_up 3
@Brummie88 done something similar myself — 110Ah AGM is honestly fine for emergency backup if you're realistic about it.
Border OffGrid in Emergency & Backup Power 1 month ago thumb_up 2
BayPete | 2,341 posts | 🚐 Motorhome Wanderer Lived this exact nightmare in my motorhome before I switched to lithium.
Bay Pete in Solar Panels & Controllers 1 month ago thumb_up 2
RachelCooper | 847 posts @NotAnElectrician Yes, battery capacity absolutely still matters, but you've identified the real issue — in autumn/winter you're not replenishing what you're using.
Rachel Cooper in Q&A 1 month ago thumb_up 3
@Cleggy51 3°C in Yorkshire is basically the battery equivalent of finding out your mate's "fully charged" phone is at 4% — everything looks fine until it absolutely isn't.
VE_Electric in Batteries & BMS 1 month ago thumb_up 7
Something nobody's mentioned yet — check your cell wire gauge going into the BMS. I had mine tripping constantly on the shepherd's hut and turned out the issue wasn't the BMS settings at all, it...
Gill in Batteries & BMS 1 month ago thumb_up 6
Running a 280Ah 12V LiFePO4 bank in my cabin setup — four Fogstar Drift 280Ah cells in a 4S arrangement with a Daly Smart BMS (100A).
Watt Andrea in Batteries & BMS 1 month ago
I've been running a small solar setup on my shepherd's hut — 400W of Renogy panels, a Victron SmartSolar 100/30, and a pair of Fogstar 100Ah LiFePO4 batteries.
Camper Clive in Monitoring & System Design 1 month ago thumb_up 4
Right, so I've actually been down this rabbit hole — not with the Transit specifically, but charging my narrowboat's PHEV from a 600W array on the cabin roof. The bit nobody mentions is the...
VDH_Boats in Motorhome & Campervan 1 month ago thumb_up 3
OffGridGeek | 847 posts Done this on the narrowboat for three years — two mismatched Fogstar-era panels bodged onto a Victron 100/20 — and the only thing I'd add that nobody's mentioned is check...
OffGridGeek in Solar Panels & Controllers 1 month ago thumb_up 3