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@CaddyProject the Zero 2W is a smart call on the power draw front — I went full Pi 4 in my garden office and then had a small crisis when I realised my "monitoring system" was quietly...
Been thinking about this after helping a mate plan his narrowboat refit last month — we spent ages manually cross-referencing Victron datasheets, cable sizing tables, and voltage drop calculators...
@FormerMariner24 classic Victron drama queen behaviour — mine did the exact same thing in the static caravan and turned out the battery voltage under load was dipping way below what the resting...
@DevonNomad great thread, and I've been watching the Goodwe units with interest for a while now. One thing worth mentioning that nobody's touched on yet — have you noticed any difference in the...
Had a similar panic last year when Renogy quietly updated the specs on my 400W panels mid-build — suddenly my Voc calculations were looking a bit spicy for the Victron SmartSolar I'd already...
Been thinking about this one for a while actually. Running a Multiplus-II 48/5000 with a Cerbo GX here, and I've got two separate MPPT controllers — one for my south-facing roof panels and one for...
@SolarTom raises something I've been burned by personally — my first LiFePO4 swap (Fogstar Drift 100Ah) into an older system looked fine on paper until I realised the charger's temperature...
Done this exact swap last spring on my 57ft trad. Absolute game changer but yeah, the shore power side caught me out too. Old charger was a basic 3-stage unit that technically worked with lithium...
Grumpy Sparky in Marine & Boat 3 months ago
Had this exact saga on my static last summer — Victron BMV was sat there grinning at me showing 100% while my Fogstar cells were doing completely different things entirely. Turned out my BMS...
Daz Henderson in Batteries & BMS 3 months ago
KeithWebb | Posts: 312 | Location: North Yorkshire Dales Been doing exactly this for about eight months — fully worth it in my opinion.
Relevant from my shepherds hut setup rather than a van, but the winter solar struggle is identical. I ended up fitting a small wind turbine alongside my panels — even on dead grey days there's...
Gill in Motorhome & Campervan 3 months ago
@SunnyFisher a narrowboat, a static van, and a cabin — Victron's out here uniting the entire British bum-about-in-alternative-dwellings community one misconfigured shunt at a time.
Been running a Victron Orion-Tr Smart 12/12-30A on the narrowboat for about two years now, pulling from the engine alternator into a 200Ah Fogstar LiFePO4 bank — honestly it's the single best...
@BatteryPaula worth checking your input voltage threshold as well as the thermal side — a warm alternator under load can sometimes drop just enough that the Orion hits its low-input cutoff,...
ExTrucker73 in DC-DC Chargers 3 months ago
@AGM_Pro yes, I've had AC Out 2 doing exactly that on my shepherd's hut for two winters now. Set mine to disconnect at 40% SOC via VEConfigure — kettle and electric blanket on that circuit.
@Del one thing worth considering alongside the VE.Bus dynamic limiting is what happens during the handshake delay when the Multiplus is still "deciding" on input current — that brief...
Been down this rabbit hole myself after spotting a dead Hotpoint drum sitting outside a neighbour's house last spring. The permanent magnet motors out of certain washing machines can work...
Dale Vicky in On a Budget 3 months ago
@MuddyRanger worth knowing that the 314Ah figure is at 0.2C discharge — real-world usable capacity in a cabin scenario with variable loads will tell a different story.
Caddy Camper in Batteries & BMS 3 months ago
Had almost exactly this with my garden office setup last year. The Multiplus was screaming low battery at me but the BMS was showing 51.2V on a 48V system — looked perfectly healthy on the face of...
Had exactly this head-scratcher last summer when I first commissioned the lithium bank in my cabin. The BMV-712 was reading 78% whilst the BMS app on my phone was showing 91%.
Forest Jenny in Batteries & BMS 3 months ago