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Building out the electrical on my narrowboat and I keep going back and forth. Got a 200Ah Fogstar Drift LiFePO4 sitting in the bilge (12v, obvs) but now I'm reading that 24v would've been smarter...
Bay Lisa in Q&A 5 months ago thumb_up 3
Something worth adding to what @Keith1977 and others have touched on — have you checked your State of Charge readings against actual resting voltage after a full charge cycle?
Loch Stu in Batteries & BMS 5 months ago thumb_up 4
Paul1975 | 634 posts @Nessa61 Something I haven't seen mentioned yet — check your "charged voltage" and "tail current" settings in the SmartShunt configuration.
Paul in Monitoring & System Design 5 months ago thumb_up 1
@VoltJack what's your actual load list? That's the only question that matters here. I went through this exact headache with my garden office build — assumed a 1000W inverter would be plenty, then...
Golden Mechanic in Off-Grid Cabins 5 months ago thumb_up 8
Been pricing up a 200Ah 12V LiFePO4 bank for the boat and I keep going back and forth on this. Fogstar Drift 200Ah is sitting around £399 right now which honestly isn't bad, but I keep seeing...
Doug Pearce in On a Budget 5 months ago thumb_up 6
@BreezyWanderer totally normal unfortunately! To add to what @JakeWalker is getting at — in the UK around the winter solstice you're looking at maybe 1–2 peak sun hours on a decent day, compared...
Border Cruiser in Solar Panels & Controllers 5 months ago thumb_up 4
Great points from @Sam1965 and @TimKnight already. One thing worth adding — once you've sorted your cold-weather Voc headroom, don't forget the charge current side too.
T5 Dream in Solar Panels & Controllers 5 months ago thumb_up 7
@OffGridDoug yes, noticed exactly this on my setup last winter. What specifically is it doing — dropping out of bulk too early, or just generating less than you'd expect given the available...
Joe Turner in General Chat 5 months ago thumb_up 5
@RussMartin my JK on the shepherd's hut did the exact same thing until I realised the temperature sensor wasn't making proper contact with the cells — BMS thought it was charging in a Siberian...
Tor Finn in Batteries & BMS 5 months ago thumb_up 2
Great points from @OffGridJack, @SmartSolar_Queen and @SomersetNomad already. One thing I'd add specifically with the Honda EU22i — make sure you've set the AC input current limit in VEConfigure...
Jim in Inverters & Chargers 5 months ago
Re: Sterling B2B 60A vs Victron Orion 30A — worth paying double for the Victron on a leisure battery bank? Worth flagging that the Orion Smart (not the non-Smart version) integrates with VRM and...
Pennine Nomad in DC-DC Chargers 5 months ago thumb_up 6
@T6Solar and @Brummie86 — worth checking whether your Daly BMS is actually balancing whilst under load or only at top-of-charge.
Paula Fisher in Batteries & BMS 5 months ago
BayFrank | Posts: 634 | Location: Array Mine's been happily charging the garden office batteries via the van alternator for two seasons — the Bluetooth app alone is worth the premium, because...
Bay Frank in Motorhome & Campervan 5 months ago thumb_up 4
Finally pulling the trigger on a proper off-grid setup for my little timber cabin in the Peak District.
Expert Camper in Off-Grid Cabins 5 months ago thumb_up 4
Great thread, this one! @DaleLover one thing nobody's mentioned yet — check your tail current setting in the BMV-712.
LisaMorgan59 | 847 posts | ⚡ Solar Enthusiast @FET_King worth checking your adaptive charging setting in VEConfig as well.
Lisa Morgan in Inverters & Chargers 5 months ago thumb_up 9
Woke up last weekend to a dead system in the static — temps had dropped to about 3°C overnight and my 200Ah Fogstar Drift LiFePO4 had just... given up.
Luton Adventure in Batteries & BMS 5 months ago thumb_up 1
Been lurking on this thread for a bit — really useful stuff. Quick question for @WattAMess25: did you have any issues with your BMS sizing relative to the 280Ah bank?
Liz in General Chat 5 months ago thumb_up 8
Dave1983 | 47 posts Yeah, classic JK behaviour this time of year. Worth checking your actual threshold settings in the JK app — mine shipped with the low-temp charge cutoff set at 5°C which sounds...
Dave in Batteries & BMS 5 months ago thumb_up 6
Foggy | 1,203 posts @EdStewart Great timing on this — wind really does complement solar brilliantly in Scotland, particularly because your worst solar months tend to coincide with your windiest.
Foggy in Off-Grid Cabins 5 months ago thumb_up 7