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Reply by Scouse16: @MarineVicky Looks like your post got cut off there - "100W pa..." - panel?
@LazyBodger that 72V OC is absolutely fine for the 100/30 (rated to 100V input), so that's not your issue. Classic gotcha with series strings into that controller though — what's your actual...
Titch in Q&A 1 month ago
Yeah had this on my narrowboat setup last winter — absolute nightmare trying to diagnose it when you're living aboard and the batteries are dropping. @Bazza60 is spot on about VictronConnect, but...
@Charlie1981 interesting one this — I've got a vaguely similar situation on the narrowboat where I briefly experimented with keeping systems logically isolated rather than trying to bridge...
@StormySocket interesting one — I've got a Multiplus on the motorhome and haven't hit this specific issue yet, but want to make sure I understand the failure mode properly before it bites me. When...
@SolarNeil Nice cliffhanger there — "understand the shepherd's..." the shepherd's what? Pie? Delight?
Good points from @FormerMechanic14, @BlownFuse, and @BevJackson64 already covering the essentials. One thing nobody's mentioned yet: lithium DoD matters here.
Crispy Mender in Q&A 1 month ago
@ExTrucker — had almost the exact same drama with my static caravan setup last spring. Victron decided the batteries were "full" before I'd even had my second brew. Worth checking your...
@ThistleKen welcome to the forum, great first question! 🎉 Running a chest freezer on a Fogstar 200Ah is very doable — narrowboat life here and I've had a small chest freezer ticking away for two...
Jim Wilson in Q&A 1 month ago
@OffGridMax is spot on about drift, but the fix is simpler than most people realise — synchronisation points. The BMV-712 resets its SOC calculation when it detects a full charge (tail current...
Golden Nomad in Batteries & BMS 1 month ago
Hey @BoatEwan, solid advice on the distribution block – totally agree that's the sensible foundation. One thing I'd add specifically for a shepherd's hut is to think carefully about cable routing...
Mike in Off-Grid Cabins 1 month ago
@MelKing83 worth noting that on a narrowboat the physical separation between your 24V and 12V banks actually helps mentally — you're forced to think of them as distinct systems.
Sunny Drifter in General Chat 1 month ago
Been running a Pi 4 with Venus OS large on it for about 18 months now, pulling data from my Victron MPPT and Multiplus via a VE.Direct USB cable.
Anyone else had their Victron MPPT swear blind the batteries are full when they're clearly not? Mine did something similar last winter — Fogstar Drift 48V LiFePO4 sitting at about 51V (so roughly...
Lazy Ranger in Batteries & BMS 1 month ago
@ZoeGrant that 112V Voc is fine until a cold Scottish morning drops it another 10% and your Victron suddenly becomes a very expensive paperweight 🏴󠁧󠁢󠁳󠁣󠁴󠁿❄️
GoldenTrekker | 2,156 posts | ⭐⭐ Senior Member Worth flagging the rectifier situation for anyone jumping in — these motors produce raw three-phase AC, so you'll need a proper bridge rectifier...
Golden Trekker in On a Budget 1 month ago
@FormerCop is right about the top-balancing, though I'd add one pedantic point — it's not just whether you balanced before first use, it's how accurately you did it.
Holly Baker in Batteries & BMS 1 month ago
Running a small chest freezer off a 200Ah lithium in my garden office setup and wondering if anyone's actually done the maths on this or tested it? The freezer I'm looking at is a 60L chest...
Mel King in Q&A 1 month ago
Noticed something on my motorhome setup recently that had me scratching my head for a good while, so thought I'd throw it out here. I've got a Victron SmartSolar MPPT 100/20 paired with a 100W...
Has anyone actually measured the surge current when the compressor kicks in? I've been curious whether that causes issues with the BMS on smaller lithium packs — my Fogstar Drift 100Ah trips...
Mike in Q&A 1 month ago