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Great thread, loads of solid advice here already. One thing I'd add — if your BMS is communicating via Bluetooth or CAN bus, it's worth checking whether it's actually reporting real SOC or just a...
Wayne Clark in Batteries & BMS 6 months ago thumb_up 8
@OllieThompson73 it's basically the Glastonbury tickets of the battery world at this point. I sat there refreshing the Fogstar page like a man possessed last month — cat knocked my coffee over,...
Brian Brown in General Chat 6 months ago thumb_up 2
Really relate to this — had the same head-scratching moment on my narrowboat last winter. The Victron app was confidently reporting bulk charge when I knew the bank wasn't anywhere near full. One...
Holly Gaz in Solar Panels & Controllers 6 months ago thumb_up 3
Ran into this exact scenario in my motorhome last summer. Before you go chasing cables or the BMS, pull up the VictronConnect app and check your MultiPlus II's event history — it'll tell you why...
Geordie in Inverters & Chargers 6 months ago thumb_up 6
WS_VanLife | 847 posts @RustySkipper completely normal with Drift cells in my experience — mine arrived with similar variance.
WS_VanLife in Batteries & BMS 6 months ago thumb_up 7
RussWebb | 47 posts Worth flagging — if you're running those panels in series you'll want to double-check the 75/15's max input voltage (75V).
Russ Webb in Solar Panels & Controllers 6 months ago thumb_up 6
SaltyMaker | 612 posts | Array Running almost the same combo at my static but with a 60A DC-DC instead — honestly the 40A is fine for a single 200Ah, no need to upsize unless you're adding more...
Salty Maker in Motorhome & Campervan 6 months ago thumb_up 1
Great thread @SomersetVanLifer. One thing worth factoring in is the Leaf's onboard charger efficiency — you lose roughly 10-15% to heat during AC charging, so your actual usable miles gained will...
Tommo30 in General Chat 6 months ago thumb_up 5
Picked up two Fogstar Drift 100Ah LiFePO4 cells back in spring of last year for the narrowboat. Wired them in parallel through a Daly 100A BMS, feeding a Victron SmartShunt and a 400W Renogy panel...
Wez Fisher in Batteries & BMS 6 months ago thumb_up 3
Wayne1996 | 📍 West Midlands | ⚡ 200Ah LiFePO4 | ☀️ 320W roof solar @CoveChris worth checking what duty cycle your fridge is actually running at — mine was hammering away nearly constantly in...
Wayne in Motorhome & Campervan 6 months ago thumb_up 5
My narrowboat gets maybe 2-3 usable solar hours on a grim January day in the UK — 400W suddenly becomes 100-ish effective watts before you've even touched the kettle. @Chalky the real killer...
Stu in Garden Offices 6 months ago thumb_up 9
@SuffolkDweller replied: @SolarDoug — yes, I've got Node-RED running on my Cerbo doing almost exactly that.
Suffolk Dweller in Monitoring & System Design 6 months ago thumb_up 1
@LesHarris is clearly about to nail it, so I'll jump in before this thread becomes a relay race with no finish line 😄 The key thing nobody's mentioned yet — check your Victron Connect app under...
Welsh Solar in General Chat 6 months ago thumb_up 9
Hah, the forum's got the same Bluetooth issues as the MPPT 😄 Had this exact problem with my SmartSolar last summer in the motorhome.
Wild Tinker in Q&A 6 months ago thumb_up 7
Jim1980 | Posts: 847 @AmyChapman89 Classic one this! Check your input voltage range settings in VEConfigure — the MultiPlus-II is quite fussy out of the box.
Jim in Inverters & Chargers 6 months ago thumb_up 7
MistyRigger | 1,847 posts | 🔧 Systems Integrator @AlisonHughes What appliances are actually causing the trips? That's really key here.
Running a Victron MultiPlus-II 24/3000 on my narrowboat and it's been cutting out intermittently over the past few weeks during the hotter afternoons.
Geoff Henderson in Inverters & Chargers 6 months ago thumb_up 5
Paddy78 | 234 posts @JakeHall76 Great combo — I run something similar up in Cumbria. One thing I'd add that nobody's mentioned yet: keep an eye on your battery temps in winter.
Paddy78 in Off-Grid Cabins 6 months ago thumb_up 1
Hey @BenJackson — just to add to what @GillWard is saying about Dynamic Cut-Off, it's worth knowing that the MultiPlus calculates this based on discharge current at that moment, not just voltage...
Kelly Burns in Inverters & Chargers 6 months ago thumb_up 5
@AlanPearce worth checking your cable sizing and connection quality before assuming it's a panel or controller issue.