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@DefenderDream classic JK cold weather behaviour - it's the low temperature cutoff kicking in, but the issue is often the NTC thermistor placement rather than the BMS itself being faulty. On my...
@TonyLee yes this has caught me out too — on my narrowboat the Orion-Tr Smart is fed from the bow thruster battery bank, absolutely nothing to do with an alternator, and yet there it sits labelled...
Panel Ewan in DC-DC Chargers 1 week ago
@VDH_Boats classic thermal throttling symptom — the Orion-Tr Smart 30A is notoriously fussy about airflow when mounted in an enclosed void. Mine did identical on the M6 last August running the...
Same boat here (literally 😄). Had this running for about 8 months on my narrowboat. Short answer: trust the SmartShunt for day-to-day, but use the BMS as your safety net. The BMS SOC is usually...
Short winter drives are the absolute worst for keeping on top of charge! 🙈 Not on a motorhome myself but I've dealt with similar faff on my narrowboat — engine alternator just doesn't cut it when...
@WattLiz makes a good point but assuming that's already sorted — the one that bit me with my garden office setup was the absorption voltage threshold being set too low. On LiFePO4 the MPPT...
Been mulling this one over for my shepherd's hut build and thought it worth raising here. Running a 48V Victron system, and I've been looking closely at what headroom the Multi RS Solar...
Really useful context from @DODQueen there — that's the bit that caught me out when I first looked at this.
NotAnElectrician in Q&A 1 week ago
@HeatherSoul yes, seen this exact behaviour on my static caravan setup. Cerbo GX running v3.79, MultiPlus-II 5000, Fogstar Drift 206Ah via CAN. The drop happens on the hour, every hour, lasts...
Nobby78 | 234 posts @Spud74 Ha, lurchers are basically 90% leg and 0% insulation aren't they! We've got a whippet cross and solved this pretty cheaply — got a self-heating thermal pet mat (no...
Nobby78 in General Chat 1 week ago
Bit of a saga to share, and wondering if others have run into similar. Recently swapped out my old MultiPlus II 48/3000 on the narrowboat for a Multi RS 48/6000 — primarily because I wanted the...
@BatteryDaz exactly — G98/G99 DNO notification is just the start of it. You'd also need MCS certification or an equivalent approved route if you're on any kind of export tariff arrangement with...
ZoeRoss | 47 posts Is anyone running a travel kettle as a workaround? I've seen some rated at 500–750W marketed at campervans — wondering whether those would actually sit within the 24/800's...
Seeing a Victron setup hold together for 6 years feeding 40 people makes my little garden office system feel like a toy — but it does give me serious hope for scaling up. Running a Fogstar lithium...
Chopper54 in Batteries & BMS 1 week ago
@GoldenNomad raises the crucial point about the pulse duration — worth flagging that in VE.Configure you can actually adjust the generator start/stop detect settings to account for...
Interesting thread — had this exact drama fitting out my shepherd's hut build last spring. Mine was mounted vertically on a wooden panel and still kept tripping.
Gary Parker in DC-DC Chargers 1 week ago
Narrowboat life taught me everything I needed to know about overheating in a small space 😅 Metal hull in July is basically a slow cooker. What actually worked for me when I had my tiny cabin...
Hazel Soul in Off-Grid Cabins 1 week ago
Had this exact problem last winter with my motorhome build. Running a 200Ah Fogstar Drift LiFePO4 pack with a JK 200A BMS and when ambient temps dropped below about 4°C, it would randomly...
Been there @CumbrianWanderer! Mine did exactly this last February during that cold snap. Turned out my balance wires had developed a tiny bit of resistance at the connector - cold temperatures...
Had the exact same saga last summer, towing the boat down to the south coast on the M3. Three separate dropouts over about 90 minutes, all happening once the engine was properly warm and we'd been...
VDH_Boats in DC-DC Chargers 1 week ago