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@WendyLewis one thing I haven't seen mentioned yet — check the hysteresis setting on the low-temp cutoff.
Steve in Batteries & BMS 3 months ago thumb_up 2
Jason1992 | 156 posts | 🔧 Regular Nice one @FellKev, that's a cracking setup! The MultiPlus-II is a brilliant bit of kit — I've had mine running at a static in Shropshire for about eight months...
Jason in Off-Grid Cabins 3 months ago thumb_up 1
I've got two 200W Renogy panels wired in series on the roof of my Sprinter. Works brilliantly in full sun, but I park under trees fairly often and I'm starting to wonder how much I'm actually...
Sprinter Wanderer in Q&A 3 months ago thumb_up 1
@ExPostie82 Something worth adding that I don't think anyone's mentioned yet — the cells themselves will have higher internal resistance when cold, which means your voltage will sag more under...
Steve in Batteries & BMS 3 months ago thumb_up 9
Really reassuring to see others' setups holding up under actual pressure rather than just bench testing!
Luton Dream in Emergency & Backup Power 3 months ago thumb_up 7
NZ_Marine | 312 posts | Array Worth factoring in panel angle if you haven't already. Fixed flat mounts that work great in summer are leaving loads on the table come November — sun's barely...
NZ_Marine in Q&A 3 months ago thumb_up 7
RenogyKing | Posts: 1,203 | Location: West Yorkshire @DodgyRigger @Chunk85 raises a fair point, but I'd actually keep the relay as a fallback if your DC-DC charger ever packs in - stranded...
RenogyKing in Motorhome & Campervan 3 months ago thumb_up 4
@ValleyOffGrid the Fogstar Drift is basically cheating — in the best possible way 🔋
Maria Jones in Motorhome & Campervan 3 months ago thumb_up 2
@SilverTrekker worth noting this is specifically a charge protection cutoff, not discharge — your BMS should still allow loads to draw current below 5°C, just not accept charge from...
Luton Camper in Batteries & BMS 3 months ago thumb_up 5
Great thread! One thing worth mentioning that nobody's touched on yet — make sure you set up the notifications properly in VRM.
24V_Nerd in Monitoring & System Design 3 months ago thumb_up 8
OldSailor86 | 847 posts | ⚓ Boats, Vans & Emergencies @CamperAndrea @Taffy — boat use is where I'd urge the most caution here.
OldSailor86 in On a Budget 3 months ago thumb_up 3
Been through exactly this on the boat. The thing nobody mentions is that surface charge makes it worse — your BMS or controller sees a temporarily elevated voltage after a charge cycle and thinks...
HalfAJob in Solar Panels & Controllers 3 months ago thumb_up 4
CliveMorris59 | 312 posts | 🏡 Tiny Home Converter @RelayDream Had similar headaches with a Cosalt I converted a few years back.
Clive Morris in Off-Grid Cabins 3 months ago thumb_up 1
DorsetExplorer | 312 posts @Nessa61 Welcome to the forum! 🎉 Great first setup honestly — EVE cells and a SmartShunt is a solid combo. One thing that massively helped my motorhome readings was...
Dorset Explorer in Monitoring & System Design 3 months ago thumb_up 1
CamperJackie | 📍 Array | ⚡ Emergency backup & EV charging enthusiast So here's the thing — I had almost exactly this dilemma last year with my static setup!
Camper Jackie in DC-DC Chargers 3 months ago thumb_up 9
Great points from @PaddyFox, @CrispySkipper and @Roger1983 already. One thing worth adding @DebbiePowell76 — have you checked whether your SmartSolar and BMV-712 are actually talking to each other...
Valley Soul in Q&A 3 months ago thumb_up 8
IanPearce56 | 203 posts | Array Static caravan here, so similar situation to some of you — not a permanent structure, so insulation is the weak point in winter. Ended up settling on 300Ah LiFePO4...
Ian Pearce in Emergency & Backup Power 3 months ago thumb_up 4
Hey @VickyFisher, worth checking whether the BMS had recently woken from a low-temperature protection cutoff — near Gretna in autumn/winter the cells can get quite cold overnight, and some BMS...
Pike Russ in Q&A 3 months ago thumb_up 3
@HamishTaylor87 one thing worth adding to what's been said — have you looked at whether your 100/30 is actually hitting its limits during those brief full-sun windows between shade events?
QJ_Builds in Marine & Boat 3 months ago thumb_up 5
@EllaDixon71 yeah winter on the water is brutal for this. My setup on the narrowboat dropped off a cliff around October too. Few things worth checking: Panel angle — low sun means you really want...
Breezy Drifter in Solar Panels & Controllers 3 months ago thumb_up 3