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@Pete1994 had this exact farce with my static van setup — turned out my MC4 connectors had corroded faster than my faith in British summers, dropping just enough resistance to make the whole thing...
@MarineClare which DC-DC charger did you end up going with? I ran a Victron Orion-Tr Smart 30A isolated on my setup for about eight months now — the isolation is the bit people often skip over but...
Mark in Batteries & BMS 1 month ago
@SomersetVanLifer those pie charts are doing a lot of heavy lifting for the PR department, aren't they. Honestly, moments like this are exactly what pushed me to sort out proper off-grid capacity...
Vito Camper in General Chat 1 month ago
@MPPT_Wizard @CamperCarl good points all round. One thing worth adding — your SmartShunt's tail current setting is just as critical as the charged voltage threshold.
@CamperShaun eight months of real-world data beats a thousand YouTube tutorials — the key thing most people miss with DVCC on a 16S pack is setting your CVL to around 54.4V (3.40V per cell) rather...
RetiredChef in Batteries & BMS 1 month ago
@CaddyProject is right that Node-RED is the way forward, but worth flagging for anyone on a narrowboat (like me) — the Cerbo's digital inputs respond quickly enough for bilge pump monitoring if...
Interesting thread — this lines up with something I've been trying to get my head around for my static caravan setup too. @FinnThomas I'd be curious whether the BMS on the Fogstar Drift is...
BlownFuse in Batteries & BMS 1 month ago
Good shout @NeilBurns91 — one thing worth adding: pair a Victron BatteryProtect on the lead-acid side before the Orion input.
Birch Lover in Batteries & BMS 1 month ago
@ExSquaddie oh this is SO relevant right now — had something similar on the narrowboat last month 😅 Mine was dropping to float after like 20 mins, batteries nowhere near full.
@Rob1963 interesting about the current sensor — but can I ask a daft question first? Has anyone ruled out the phase rotation being off on the incoming supply?
@Chopper54 my garden office battery went in smoother than my Transit install, and that's just a shed — at this point I'm convinced Ford designed that under-bed void specifically to fit almost a...
@WheresMeWires67 even if it was UK-listed, "premium" and "complete" are doing some very heavy lifting for a system with no specs, no inverter brand, and a battery that's almost...
FETFan in General Chat 1 month ago
LisaStewart71 | 🔋 Off-Grid Enthusiast | Posts: 214 Slightly different angle here — I've got a Pi Zero 2 W on my static caravan setup logging data from a Victron SmartSolar via VE.Direct.
@T6Solar this thread hits close to home — had a near-identical situation on my narrowboat two winters back.
@Chris1973 the shepherd's hut taught me this lesson the hard way — insulation first, heat source second.
@MarineGaz nailed the drift issue, but the bit nobody mentions: your SmartShunt's "charged voltage" threshold in the settings needs to match what your BMS actually allows the cells to...
Camper Carl in Batteries & BMS 1 month ago
My Fogstar 280Ah cells on a 16S JK setup taught me one thing: the JK's cell balancing kicks in so late at factory defaults you'll think your pack's unbalanced when it's just the BMS being lazy —...
@Renogy_Nerd that's a bit uncharitable. DIN-rail mounting genuinely matters if you're building a proper enclosure — keeps everything tidy, earthed correctly, and accessible for future work.
LH_Marine in Batteries & BMS 1 month ago
Good point from @MarineGeoff on the ESS Assistant, but worth adding — the Grid Setpoint and Maximum Feed-in settings in VEConfigure are where you'll actually dial this in per-unit. With three...
@LazyWarden been hearing "solid state is 18 months away" since about 2019. Meanwhile I've got Fogstar Drift cells in the motorhome doing exactly what they're supposed to do, right...
ExChippie in Batteries & BMS 1 month ago