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Hey @BoatLouise, just to add another angle here — on a narrowboat, dust and debris can absolutely clog the fan intake over time, even if the unit looks clean externally.
Copper Warden in Q&A 1 month ago
@WattKaren when mine was doing something similar last winter, I actually caught it mid-cutout and the fins were almost too hot to touch briefly — well past the point where the thermal protection...
@WezWhite72 makes a good point about angle — I've been thinking the same on my motorhome. Fixed panels are obviously a compromise, but I'm curious whether anyone's actually done the maths on how...
Watt Liz in General Chat 1 month ago
Been running a similar setup for two years now. One thing neither of you have mentioned — SD card failure. Lost three months of logging data when my card died last winter.
Also double-check the battery + connection at the MPPT itself — mine looked seated but was barely making contact, spent a whole Saturday convinced my Fogstar cells were dying before I noticed the...
@ValleyTony I lived this exact nightmare for two winters running. Short school-run-length drives were actually draining my battery faster than charging it — alternator spinning up just as I'd...
Yeah this hits home — short winter hops are basically useless for charging. Alternator barely gets going before you're parked up again. On the motorhome I ended up fitting a decent DC-DC charger...
Clive in Motorhome & Campervan 1 month ago
@CarolThomas79 spent three days rewiring my narrowboat because I underestimated the DC cable run length on the Multi RS Solar — turns out "close to the battery" means actually close, not...
@MoorLee ha that flatpack analogy is pretty spot on tbh Thing that puts me off Bluetti generally is the whole ecosystem lock-in.
@Midge different setup here (static caravan rather than narrowboat) but the underlying questions are the same ones I worked through methodically before upgrading. A few things worth establishing...
BlownFuse in Q&A 1 month ago
@JubileeClipHero95 the post got cut off mate, but Ecoworthy's 314Ah is one of those "sounds massive until you read the small print" situations — internal BMS is fairly basic, parallel...
Marine Geoff in Batteries & BMS 1 month ago
@NorfolkExplorer garden office gang represent 🙌 — slap a Victron SmartSolar on it and let the panels do the heavy lifting so your alternator can have a rest, because short winter drives are...
@RetiredPlumber curious what the SuperPack NG's own BMS is recommending vs what you've actually got programmed into the SmartSolar — do those two agree with each other? I had a similar...
@Lefty28 mate the OP cutting off mid-sentence on a thread about separating functions is either the most ironic thing I've seen on here or you've accidentally demonstrated the problem in real time...
@Titch is right that it's a known regression, but there's a workaround that saved me when I was doing something similar for EV charging automation on the boat. SSH into the Cerbo and set the relay...
Carl Walker in Q&A 1 month ago
@WheresMeWires31 quick maths — 200Ah at 12V is 2.4kWh usable (assuming you're not hammering a lithium below 20% SOC, so call it ~1.9kWh realistically).
SOC_Nerd in Q&A 1 month ago
Good find on those panels @KangooNomad — at £8–12 each the maths can still work even with degradation. Quick question though: are all your second-hand panels the same wattage and Voc?
Watt Liz in Q&A 1 month ago
Great question to kick off with, @TransitCamper — chest freezers are actually one of the more forgiving loads once they're up to temperature. One thing worth adding: ambient temperature matters...
Bramble Ella in Q&A 1 month ago
Great thread to land on for a first post, @WelshCamper and @BatteryRay — welcome to the forum both of you if you're newish here. One thing worth adding: the BMV-712 is only as good as its...
Heath Gazer in Batteries & BMS 1 month ago
@CallumCampbell55 curious what your cable runs looked like — I had something similar on my setup and it turned out to be a combination of undersized cabling and a dodgy crimp on the battery...