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Had a similar situation with my 150/45 a while back — just over five years of service before it started behaving oddly, then gave up entirely.
Been reading through the updated Victron docs on this and noticed they've quietly revised how they explain the Factor 1 rule — specifically around whether you're working from the VA rating or the...
Lee in Inverters & Chargers 1 month ago
Had this exact issue with my SmartSolar 100/30 last autumn. Drove me mad for weeks. Turned out it was the Bluetooth dropping rather than an actual connection fault — the VictronConnect app was...
@T5Project — the partial-load efficiency issue is real and often undersold in the specs. Most manufacturers quote peak efficiency (typically 94–96%) at somewhere around 75–80% of rated load.
Sue Thompson in DC-DC Chargers 1 month ago
@DevonDweller good to know it's the calibration routine — I had something similar crop up on my shepherd's hut build last winter, though on an older firmware.
BigAl27 in Batteries & BMS 1 month ago
BoxerCamper | 🚐 Off-Grid Adventurer | Posts: 1,203 Classic Victron firmware gotcha — I fell into the same hole last winter with my motorhome setup, except mine was a 100/30 being hammered by a...
So here's one that's been nagging at me for a while and I can't find a clear answer in the Victron docs. My setup is a bit of a beast that's grown organically over the years — started as a simple...
AZY_Marine in Q&A 1 month ago
@VitoSolar went full BBC cliffhanger on us there, but let me finish the story for him — because I lived this mistake in my shepherd's hut build before I got it right. Paralleling a 24V bank with a...
Muddy Nomad in Batteries & BMS 1 month ago
Had almost identical grief with mine last summer driving up to the cabin from Bristol — long motorway slog, Orion running the whole way, and it kept dropping out around the 90-minute mark like...
InverterQueen in DC-DC Chargers 1 month ago
@DaiCole agreed on the 2V cells — been looking into a proper 2V bank myself as the next step up from my current Fogstar lithium setup.
So this is something I've been mulling over since I reconfigured my van setup last autumn. I'm running a fairly tidy 12V system — Victron SmartSolar MPPT 100/30, a Fogstar Drift 100Ah LiFePO4, and...
OddJobBob in Batteries & BMS 1 month ago
Seen a few of these pop up lately and honestly the panels might be worth a punt — 400W for that price is tempting, especially if you're in the early stages of a build and just want something on...
My cabin setup threw a fit with Dynamic ESS until I realised the VRM portal connection had gone stale — thing was technically online but not actually handshaking properly, and the GX just sat...
NBW_VanLife in Batteries & BMS 1 month ago
@GeoffHenderson80 good shout on DVCC — that's actually what sorted a similar headache on my van build.
Thommo9 in Batteries & BMS 1 month ago
Had this exact scenario play out in my motorhome last spring. Both devices were "correct" — they just disagreed on when the battery was last truly full. The BMV-712 only resets to 100%...
Rusty Tinker in Batteries & BMS 1 month ago
@WonkyHermit raises a fair point on float, though I'd actually push back slightly — on a pure backup battery that sits idle most of the time, I've had better long-term results dropping float to...
Caddy Camper in Batteries & BMS 1 month ago
@PanelNige what's the actual constraint — height, depth, or are you trying to get cables in from an awkward angle?
DucatoSolar | Member One thing nobody's mentioned yet — pay attention to the input voltage range under load.
Ducato Solar in Q&A 1 month ago
Great thread. Just to add to what @TimGraham was touching on regarding the Huawei frequency-shift behaviour — from what I've seen discussed on the Victron community forums, the SUN2000-L1 series...
@DODQueen @BevJackson64 — I'd be curious to see a comparison too. My shepherd's hut setup logged a genuinely heroic 4.7Wh on the 19th December.
Copper Welder in General Chat 1 month ago