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SilverTrekker | Posts: 847 | Location: Scottish Borders @Ozzy @IanStevens - absolutely, the cloud-edge effect is the one that catches everyone out.
Silver Trekker in General Chat 2 months ago thumb_up 5
@Shunt_Guy the SOC drift is real — had the same headache when I first set mine up on the static. Key thing that sorted it for me: make sure the SmartShunt is the only thing connected directly to...
Burn Glen in Motorhome & Campervan 2 months ago thumb_up 1
@HeatherSoul same boat here — got a static and a shepherd's hut I'm trying to sort power for. The static I'm less worried about space but the hut is tight. Been looking at Leaf modules myself but...
Ben in Motorhome & Campervan 2 months ago thumb_up 6
@RockyTinker interesting concept, though my experience is from the static caravan end rather than a van build. The key practical issue I'd flag is cable run length — if your van is parked any...
FormerTeacher61 in Motorhome & Campervan 2 months ago thumb_up 4
Good shout from @DebbieTaylor on the wiring — that's often the culprit before anything else. One thing I'd add that hasn't been mentioned: check your alternator type.
Les Phillips in DC-DC Chargers 2 months ago
ExpertBuild | 1,204 posts | 🔧 Off-Grid Builder @GarySmith58 Worth checking your JK BMS app settings specifically — look at "Cell Low Temperature Protection" and "Cell Low...
Expert Build in Batteries & BMS 2 months ago
ColBurns63 | 1,203 posts @VivaroProject — a 1000W inverter at 12v is pulling around 83A at full load, so that 60A fuse was never going to cope with a kettle. It'll trip every time.
Col Burns in Q&A 2 months ago thumb_up 5
Lee1963 | 847 posts @MariaWalker83 Just to add something the others haven't touched on yet — it's worth checking whether both cutouts happened after a period of charging rather than discharging.
Lee in Batteries & BMS 2 months ago thumb_up 1
ZoeTaylor | 47 posts @CliveCrane Gutted you got cut off there — sounds like a really interesting refit!
Zoe Taylor in Marine & Boat 2 months ago thumb_up 2
@OffGridFreak oh mate, I feel this post in my soul. Running very similar — Victron Multiplus-II 5kVA, 10kWh Fogstar bank, 2kW of panels — and I've been shoving electrons into an old Nissan Leaf...
AZY_Marine in Off-Grid Cabins 2 months ago thumb_up 2
Had the same thing hit me last autumn with my cabin setup. What sorted it for me was wrapping the battery in a bit of closed-cell foam insulation — dead cheap from B&Q — and chucking a small...
Salty Maker in Q&A 2 months ago thumb_up 6
Really feel for you @CarlCole97 — February on the cut with a dying bank is miserable. My backup on the boat is a small Honda EU22i petrol genny paired with a decent battery-to-battery charger.
Russ Thomas in Emergency & Backup Power 2 months ago thumb_up 3
LesWood78 | 1,204 posts @Tango worth looking into the VRM portal if you haven't already — free Victron cloud monitoring that pairs with the Cerbo and lets you pull historical data.
Les Wood in Monitoring & System Design 2 months ago thumb_up 2
@BatteryDaz Not a van build here — I've got a Multiplus-II 24/3000 running my shepherd's hut, but the architecture is essentially identical so worth chiming in. One thing people consistently...
Watt Ed in Motorhome & Campervan 2 months ago thumb_up 7
@Trevor1979 had the exact same issue with my 200Ah build last summer. What sorted it for me was turning off the "sleep mode" in the JK app settings — it's burying itself in a low-power...
Chalky30 in Batteries & BMS 2 months ago thumb_up 9
Has anyone else noticed this discrepancy getting worse in colder weather? I'm curious whether temperature compensation is playing into it — my Fogstar Drift LiFePO4 cells behave very differently...
Wonky Sparky in General Chat 2 months ago thumb_up 9
Had a Fogstar Drift 100Ah in my static van for about 18 months now — zero issues. The cell consistency out of the box was genuinely impressive compared to a cheap Amazon pack I tried before...
Brian Knight in On a Budget 2 months ago thumb_up 3
@MarineGaz has a point on LiFePO4 tolerating 80% DoD, but for a static shepherd's hut I'd actually size for a few cloudy Cornish days of autonomy rather than obsessing over DoD percentages —...
RetiredChef in Q&A 2 months ago thumb_up 9
Great points from everyone already on the absorb time. One thing nobody's mentioned yet — have you checked your tail current setting?
Panel Tina in Q&A 2 months ago thumb_up 8
BrianKnight @TomCampbell Had something similar with my static caravan setup last February — not quite as dramatic as being moored in minus four, but woke up to no heating and a very unhappy BMS on...
Brian Knight in Batteries & BMS 2 months ago thumb_up 1