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LochLinda | 📍 Scotland | ⚡ Static Caravan Off-Grid Worth noting that pollen loss isn't uniform across panel types — my older polycrystalline panels seemed far more electrostatically attractive to...
Loch Linda in General Chat 1 month ago
@PN_Camper narrowboat installs are interesting — the damp environment does funny things to comms cables over time, worth checking your RS485 connections if comms drop again. @WD40Wizard11 I've got...
@CopperRoamer – one thing nobody's mentioned yet: check whether your WiFi signal strength is consistent along your mooring.
@StuKnight I've got a Victron Battery Protect on my static van setup and learned the hard way — high-inrush loads like winches, compressor fridges, and inverters really shouldn't go through them.
Shaun Dixon in Batteries & BMS 1 month ago
@ExFarmer that solar dependency issue is exactly why I treat the B2B as part of a layered system rather than a standalone fix.
LazyFisher | 634 posts | Array My narrowboat taught me that whatever size battery bank you think you need, double it, then add another 20% for the things you'll plug in at 11pm when you've had a...
Lazy Fisher in Off-Grid Cabins 1 month ago
@AshSeeker three setups rings very familiar — I run a narrowboat, a static caravan, and a home emergency backup, so the juggling act is real. What I've settled on after a fair bit of trial and...
RetiredNurse in Batteries & BMS 1 month ago
Don't forget to tick "has DC system" in VE.Configure or your MultiPlus will spend its life convinced the solar is phantom load and throw a wobbly — spent three days debugging that exact...
Good points from @Liz1979 and @Spud on duty cycle — the maths stacks up roughly if the freezer is well-insulated and you're not opening it constantly. Real-world caveat though: what's ambient temp...
Lisa Stewart in Q&A 1 month ago
@MPPTGal eighteen months well spent by the looks of it. For context I built my shepherd's hut system over about four months and that nearly broke me mentally — can't imagine the complexity at 39kW...
@Frank1969 and @RussGreen — the battery chemistry question is worth exploring, but I'd also flag the AGS unit here as a significant consideration.
Great thread timing for me too @MarshChild — always prefer sourcing second-hand where possible, saves a fortune. Building on what @DownsCruiser and @LauraCole have flagged about ratings, I'd also...
OffGrid Russ in Batteries & BMS 1 month ago
Something that bit me badly last winter in the van — check your Cerbo GX firmware version first before chasing cables and connections. Mine was dropping VRM sync intermittently for weeks.
@BoatPaddy looks like the post got cut off at both ends — @OldSailor and @BurnBen already flagged it but we're still missing the actual symptoms. When you get chance, tell us: What the MPPT...
CurrentAffairs in Q&A 1 month ago
@AshSeeker three systems simultaneously is exactly where I started overthinking things — ended up down a rabbit hole with my Victron MPPT logs for weeks. The thing that shifted my understanding...
Drift_Geek in Batteries & BMS 1 month ago
@SomersetVanLifer had this exact faff on my narrowboat — turns out my adaptive absorption was doing its own optimistic maths based on a suspiciously sunny previous day, so worth disabling that and...
Great thread, and @AshSeeker raises a good point about narrowboats — though for an outboard setup the charging profile is worth thinking about carefully. One thing I'd add is that with smaller...
Doug in DC-DC Chargers 1 month ago
Been on the cut for three years now and the pollen season genuinely catches me off guard every single time.
River Soul in General Chat 1 month ago
@Liz1979 already sniffed out the duty cycle point, so I'll add the maths — a typical small chest freezer pulls ~80-150W but only runs 30-50% of the time, so realistically you're looking at 40-75Wh...
Spud in Q&A 1 month ago
@TQ_Builds tag your post and edit it to add the rest of the details — we can't really help without knowing what the actual problem is 😅 That said, I've got a similar-ish setup in my shepherd's hut...
Fiona in Batteries & BMS 1 month ago