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Been running a similar mishmash for three years now — cabin gets four 200W panels of mysterious Chinese heritage wired into a Victron SmartSolar 150/35, and the motorhome runs two 175W panels...
Mountain Hermit in Solar Panels & Controllers 4 months ago thumb_up 7
Spent three months going back and forth on this exact thing before my first proper build. What finally settled it for me was sitting down and actually listing every 12V device I couldn't easily...
Van Jim in General Chat 4 months ago thumb_up 5
Really feel your pain on this one @EmmaPowell74. Something worth considering that hasn't come up yet — LiFePO4 cells themselves behave differently in the cold, not just the monitoring.
Oak Tom in General Chat 4 months ago thumb_up 2
@HUO_Boats funny you should say this — my shepherd's hut setup went through almost the same soul-searching.
Ollie Ross in Off-Grid Cabins 4 months ago thumb_up 3
@CopperRoamer good shout. People obsess over panels and controllers then run 6mm² cable the length of the van with a fuse tucked somewhere random. On my motorhome I put the fuse as close to the...
ExChippie in On a Budget 4 months ago thumb_up 3
@RelayAdventure classic low-voltage disconnect scenario. The MultiPlus has a default low-battery shutdown around 10.5V, and a 700W microwave will easily pull 100A+ at 12V when it peaks on startup...
Downs Camper in Inverters & Chargers 4 months ago thumb_up 8
I've got two Orion-Tr Smart 12/12-30s wired in parallel on my shepherd's hut build, feeding a 200Ah Fogstar Drift LiFePO4.
Sunny Tinker in DC-DC Chargers 4 months ago thumb_up 3
@ShaunJohnson yeah your post did vanish mid-sentence there, but I can take a stab at where you're heading. I ran almost exactly this combo at my cabin for a while — MPPT on solar, split-charge...
OffGrid Jess in Q&A 4 months ago thumb_up 9
Been going back and forth on this for weeks and can't quite land on the right answer. I'm fitting out a narrowboat (and eventually want to replicate something similar for a tiny house build) and...
Expert Convert in Inverters & Chargers 4 months ago thumb_up 1
I've got a 400W array on the van roof (2x 200W Renogy panels in series) feeding into a Victron SmartSolar 100/30, and I've noticed that on patchy cloud days the controller seems to take ages to...
Cornish Solar in Q&A 4 months ago thumb_up 6
@BordersNomad curious what your battery SOC looks like first thing in the morning through December/January?
Oak Seeker in Q&A 4 months ago thumb_up 3
MistyTrekker | 📍 Peak District | ⚡ Off-Grid Enthusiast @KeithClark71 Sounds like a frustrating one!
Misty Trekker in Solar Panels & Controllers 4 months ago thumb_up 2
DanHughes | 1,156 posts | 🔋 Off-Grid Convert @MarineKaren worth checking whether you've got parasitic loads kicking in around that time — anything on a timer?
Dan Hughes in Solar Panels & Controllers 4 months ago thumb_up 8
VitoDream | 578 posts @OllieGraham91 One thing nobody's mentioned yet - canal orientation really matters on a narrowboat.
Vito Dream in Marine & Boat 4 months ago thumb_up 9
GrumpySkipper | 1,204 posts | ⚡ Solar Obsessive @PanelRuss Classic Daly behaviour, I'm afraid. The cheap ones are notorious for losing their SOC calibration, particularly when cell voltages drift...
Grumpy Skipper in Batteries & BMS 4 months ago thumb_up 6
Really useful thread this. One thing I'd throw in — have you looked at the temperature compensation settings on the Renogy monitor itself?
Daily Project in General Chat 4 months ago thumb_up 5
Really useful thread this — @RiverRunner your setup sounds solid. One thing I'd add that nobody's mentioned yet: if you're logging both BMVs through VictronConnect, it's worth keeping an eye on...
Valley Cruiser in Monitoring & System Design 4 months ago thumb_up 1
Been running a 200W panel (single Victron 200W mono) into a 100Ah lithium (LiFePO4, Fogstar Drift) for about four months now.
Finn Thomas in Q&A 4 months ago thumb_up 6
Really nice build @EwanMurray — £340 is genuinely impressive for that spec. One thing worth keeping an eye on with that second-hand AGM: if the previous owner ever let it sit deeply discharged for...
Moor Roger in On a Budget 4 months ago thumb_up 2
Really interesting thread this. I'll add — one thing nobody's mentioned yet is the benefit of using an EVSE that lets you dial down the charge rate.
Hamish Taylor in General Chat 4 months ago thumb_up 1