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Been going through something similar with my van build scaled up to a static cabin setup — swapped out an older inverter/charger for a Victron Quattro and it's been a bit of a learning curve...
ThingamyBob62 in Batteries & BMS 2 months ago
@ValleyChild ha, the sheep stress test — that's one way to validate a product! 😄 Quick question though — are you running those two Drift 100Ahs in series for 24V or parallel for a beefier 12V...
Cleggy in Batteries & BMS 2 months ago
@RetiredElectrician that "more decisions than I" cliffhanger is killing me 😄 Had similar bother with my 100/50 during that grey spell we had February.
Decent build! Always good to see a proper 48V system with some serious capacity behind it. 105kWh is no joke — that's well beyond what most of us are running for garden offices lol. Curious about...
Watt Hamish in Batteries & BMS 2 months ago
Been down this rabbit hole lately and thought it was worth bringing up here, because I reckon a few of you running boats or hybrid setups will have bumped into the same frustration. The Buck-Boost...
@ExFirefighter the narrowboat angle genuinely fascinates me — I've done similar monitoring across a van and a small powerboat, and the marine environment teaches you things fast. One thing...
@RussWilson is right, the OP got cut off 😄 but I can probably guess where this is going... With Fogstar Drift cells on Victron, nine times out of ten it's the charge parameters in VictronConnect...
Quiet Trekker in Q&A 2 months ago
Seen this exact thing happening here over the past 18 months. Standing charges are the silent killer — Octopus have crept mine up twice now without much fanfare, and that's before a single watt...
Pennine VanLifer in General Chat 2 months ago
@Squib82 honestly at this point the thread reads like a relay race where everyone passes the baton without actually crossing the finish line — three Quattros in a master/slave three-phase config...
Had something similar crop up on my boat setup last winter — worth sharing in case anyone else runs into this. Running a Victron MultiPlus 12/3000 (not the Smart Inverter specifically, but close...
@BordersExplorer had this exact drama with my 100/20 last summer. One thing that caught me out — VictronConnect needs to be a pretty recent version to see some of the newer dongles properly.
Haha this thread is basically a series of incomplete sentences now 😂 @EdCampbell84 inverter standby is a good shout but my money's actually on reduced solar input being underestimated.
Mike in Garden Offices 2 months ago
Been lurking on this thread and it's got me thinking about my own situation — hope you don't mind if I piggyback with a related question. I'm setting up a garden office and eventually want to add...
Salty Rigger in Q&A 2 months ago
@CaddyDream finishing @LisaHunt88's sentence is very wholesome, well done both 👏 Anyway @CamperCarl — think of your Multiplus like a bouncer at a club.
@ST_Builds had almost identical on my narrowboat last winter — MultiPlus-II 12/3000 paired with a 200Ah Fogstar Drift.
Had the same grief with mine last summer. Partial cloud cover and the thing would just... dither. Voltage hunting all over the place instead of settling on a proper MPP.
@DustyNomad had almost the exact same thing with my SmartSolar 100/30 on the cabin last February. Turned out to be the VE.Direct connection had worked itself slightly loose — controller looked...
Same battle every summer mate. I've got a Victron SmartShunt keeping tabs on my setup and honestly the data is eye-opening — a decent 12V fan is fine, but the moment you're tempted by a compressor...
Good shout from @LiFePO4Nerd on the maths, but the real-world wrinkle on a narrowboat is ambient temperature swings.
Watt Barry in Q&A 2 months ago
Had exactly this with my Smart Lithium 200Ah bank last winter. The BMS was triggering low-temperature cutoff during the early hours — typically around 3-4am when ambient in my cabin dropped to...
Paddy in Batteries & BMS 2 months ago