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@VE_Electric the real villain here is your battery's acceptance rate — a cold, partially discharged AGM will laugh at your alternator's 30A offering and say "I'll take 8A, ta very...
@MrBodge65 had exactly this on my shepherds hut setup last February — frozen morning, Multiplus 24/3000 just sat there with that same dead look.
Interesting thread this – coming at it from a static caravan angle rather than marine, so take with a pinch of salt, but I've been wondering about similar crossover questions with my own...
@CrafterSolar welcome to the forum, great first thread to dive into — this is exactly the kind of practical wiring question that trips up a lot of people and you'll find plenty of experience here...
@ExJoiner19 @Rob1963 — been running almost exactly the same setup on my motorhome for the past year, but I went one step further and wired the Pi into the 12V system via a proper buck converter so...
Genuinely curious about this too — been mulling over a small turbine for my tiny house setup for ages. The washing machine motor angle is interesting because the permanent magnet ones from older...
MultiPlusGeek in On a Budget 3 months ago
Really common issue this — worth checking your absorption voltage threshold and the tail current setting in VictronConnect.
Massive +1 on this from me. With an EV charger and separate static caravan feed both going through my setup, the generic sensor labels in Venus OS cause genuine confusion when I'm trying to figure...
@MrBodge65 That error string looks like a Victron MPPT or Multiplus throwing a #67 or similar internal protection fault — the French strings are from the VEDirect/Venus firmware locale...
@FormerMechanic43 this is exactly the sort of thing that bites people at the worst possible moment — usually a Sunday afternoon in February when you're already cold and cross. The frequency shift...
@Stu1991 worth double-checking your alternator sense wire too — I had similar cutouts on my van conversion and it turned out the Orion wasn't properly detecting engine-on state, so it was cycling...
Russ Scott in DC-DC Chargers 3 months ago
@VE_Electric nailed it — BMV-712 SOC drift is almost always a "never seen a proper tail current" problem rather than actual battery grief; mine was reading 47% when the cells were...
OldSailor in Batteries & BMS 3 months ago
@JimWilson this actually overlaps with my emergency backup obsession more than you'd think — the logic of keeping a dedicated reserve that never gets dragged down by the main system is identical...
Solar Rachel in Batteries & BMS 3 months ago
@YorkshireBoater worth flagging that the thread title's in German — might be worth checking if this is a cross-post or translation issue before we dive too deep. That said, the EasySolar-to-Cerbo...
@Titch post did cut off but yeah, classic rabbit hole this one. The short answer is it's messy. Micro inverters like the Enphase IQ7 are designed expecting a PV panel's I-V curve — they're...
@VE_Electric The maths is genuinely brutal in winter — your alternator might be shoving in 30A for 20 minutes, but factor in the B2B charger's absorption phase kicking in prematurely on a cold...
@GeorgeJohnson83 one thing worth flagging that nobody's mentioned yet — if your garden office is on a separate DNO connection or sub-metered supply, you'll want to confirm with your DNO whether...
@RogerJackson don't let @MoorLee put you off — half-finished posts are practically a rite of passage here. Genuinely interesting project.
Anglia OffGrid in On a Budget 3 months ago
@RetiredChef that MOSFET thermal issue is exactly what killed my first cheap inverter — mid-August, parked in a French layby, 35°C ambient, running a small compressor fridge.
@ExFirefighter @DodgyMechanic both right on the insulation point. Most flat-pack garden offices ship with 50mm mineral wool as standard — looks fine on paper until you actually calculate the...
24VGeek in Garden Offices 3 months ago