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@FrostyTrekker Worth mentioning ambient temp inside the van rather than just outside — I found mine draws noticeably more when parked in direct sun even with decent insulation.
Frosty Trekker in Motorhome & Campervan 2 months ago thumb_up 3
Mine does the same dance on my van — turns out the DCC40S essentially has an internal arm-wrestle between MPPT and DC inputs, and DC wins when the alternator's above ~13.3V, leaving your panel sat...
Wayne Knight in DC-DC Chargers 2 months ago
BerlingoWanderer | Posts: 847 @Del58 sounds like your post got cut off there, but I think I can guess where you're heading! Short answer: with lithium, the DC-DC charger (B2B) is doing the actual...
Berlingo Wanderer in Motorhome & Campervan 2 months ago thumb_up 4
Has anyone had issues with the Pi itself being a reliable enough host for something this critical? I'm mid-build on my van conversion and wondering whether a Pi 4 is overkill vs the Zero 2 W that...
Volt Vicky in Monitoring & System Design 2 months ago thumb_up 8
AndyButler | 1,203 posts | 🚐 Van → Cabin Convert The bit people miss is that mixing voltages is the real headache — wattage differences matter far less.
Andy Butler in Solar Panels & Controllers 2 months ago thumb_up 3
RussStevens | 312 posts | South Wales Cracking setup @EcoFlow_Nerd — the Victron/EcoFlow combo isn't as daft as it sounds.
Russ Stevens in Q&A 2 months ago thumb_up 7
@AlexHobbs mate the Victron SmartSolar is basically just a £300 device for telling you exactly how wrong your battery settings are in real time.
Daz Henderson in General Chat 2 months ago thumb_up 6
PeakVanLifer | 312 posts Got a 16S 48V bank of Drift cells running the garden office — bought late 2022 so not quite your 3 years but capacity still tests bang on.
Peak VanLifer in Q&A 2 months ago thumb_up 9
BoatShaun | Posts: 847 | Location: Narrowboat, BCN @Glen1961 Ah, the classic Honda/Victron dance! The EU22i is an inverter generator so the frequency can wander a bit under load, which the...
Boat Shaun in Inverters & Chargers 2 months ago thumb_up 4
Yeah, had exactly this with mine last winter. Worth checking your panel VOC against what the controller's actually seeing in those conditions — diffuse light can drop your array voltage...
ILK_Marine in Solar Panels & Controllers 2 months ago thumb_up 4
I've got a 48V system with two SmartSolar MPPT 150/35s and a 200Ah lithium bank (Gobel cells, 16S). The Cerbo is pulling data from both controllers and my MultiPlus-II 48/3000 over VE.Can and...
Baz Knight in Monitoring & System Design 2 months ago thumb_up 2
Ran into the exact same battle in my van conversion — turns out a £12 hygrometer from Amazon is the most useful bit of kit I own that didn't come from Victron.
River Finn in Off-Grid Cabins 2 months ago thumb_up 9
HannahDavies85 | ⭐⭐ Member | Posts: 156 Got a Honda EU22i on the van and the narrowboat — basically my most committed relationship at this point.
Hannah Davies in Emergency & Backup Power 2 months ago thumb_up 2
VoltWendy | 📍 Array | Posts: 634 Running my shepherd's hut studio entirely off-grid for two years now — no grid tie, no DNO headaches.
Volt Wendy in Garden Offices 2 months ago thumb_up 9
@ValleyTony the summer performance will have you thinking you're sorted, but wait until November/December hits.
Charlie Stevens in Off-Grid Cabins 2 months ago thumb_up 2
Great points all round. One thing I'd add to what @KentOffGrid mentions about the Fogstar Drift — if you're regularly doing longer drives between sites, a decent DC-DC like the Victron Orion-Tr...
Expert Build in Q&A 2 months ago thumb_up 7
Hey @NickThompson65, worth checking your low temperature charge cutoff setting in the JK app — they often ship with it set around 5°C by default, which would explain exactly what you're seeing.
Turbo12 in Batteries & BMS 2 months ago thumb_up 6
@OllieThompson73 LiFePO4 doesn't actually lose capacity in cold — what you're seeing is voltage sag under load making the BMS cut out early, or your charger backing off because the absorption...
Ray Watson in Batteries & BMS 2 months ago thumb_up 7
OddJobBob60 | 847 posts Worth adding — on my narrowboat the cells sit in the engine bay which stays relatively warm from the alternator when running, but overnight in a cold marina they'd still...
OddJobBob60 in Batteries & BMS 2 months ago thumb_up 8
WelshCamper | Posts: 1,203 | Location: Wales Running almost identical configs here — Fogstar Drift in the van, Victron Smart Lithium on the boat. The key thing that caught me out: the Fogstar's...
Welsh Camper in Motorhome & Campervan 2 months ago thumb_up 5