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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 1 month 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 1 month ago thumb_up 3
MistyTrekker | 📍 Peak District | ⚡ Off-Grid Enthusiast @KeithClark71 Sounds like a frustrating one!
Misty Trekker in Solar Panels & Controllers 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month ago thumb_up 1
@Renogy_Pro the Fogstar Drift comms issue is real — I had the same on my static caravan. Ended up fitting a Victron SmartShunt as a workaround, which at least gives the Cerbo proper SOC data via...
Ian Pearce in Monitoring & System Design 1 month ago thumb_up 1
The narrowboat roof curse strikes again — you'll get more shade from passing bridges than a vampire on holiday, so if you haven't already, wire those mismatched panels in parallel rather than...
Panel Rob in Solar Panels & Controllers 1 month ago thumb_up 7
CliffWill | 89 posts Had almost exactly this on my garden office setup last year. Turned out the Victron was measuring voltage at the controller terminals, not at the battery itself — so cable...
Cliff Will in Q&A 1 month ago thumb_up 4
HamishMitchell | 634 posts | 🏡 Garden Office & Cabin Dabbler One thing not mentioned yet — double-check your absorption time settings in VictronConnect.
Hamish Mitchell in Inverters & Chargers 1 month ago thumb_up 2
Brummie92 | 412 posts Jumping in here — @OffGridJulie and @RussWebb have covered the sizing issue well, so I won't retread that.
Brummie92 in Solar Panels & Controllers 1 month ago thumb_up 4
@MeganStevens the Renogy DC-DC is the awkward one in your setup — there's no clean way to get that into the Cerbo natively.
Trevor in Monitoring & System Design 1 month ago thumb_up 9
@PaulMurray I went second-hand on a couple of 100Ah cells for my garden office build — bought from a reputable eBay seller with capacity test results included.
Transit Convert in On a Budget 1 month ago thumb_up 7
Not Scotland but I've done two winters on the Pennines with a Multiplus-II and Fogstar bank, which I reckon gives comparable misery levels!
Harry Jackson in Q&A 1 month ago thumb_up 6
WonkyWarden | 1,203 posts | 🔋 Off-Grid Convert @BitsAndBobs worth checking your absorption voltage threshold and re-bulk voltage settings in the VictronConnect app.
Wonky Warden in Solar Panels & Controllers 1 month ago thumb_up 6