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Honestly £40 for a 200W panel is a decent score if it tests out properly. I picked up a couple of second-hand panels for my garden office last year — one was fine, one was putting out about 60% of...
Lisa Hunt in On a Budget 1 week ago
Absolutely this, every single year without fail. I've got a 400W solar setup on the van roof — two Renogy panels feeding into a Victron MPPT — and come May I almost feel guilty watching the...
Ha, @CrispyWanderer, I know exactly that feeling! We call it "bill day smugness" in our house — my husband actually makes a cup of tea and sits down with it like it's Christmas...
Bev Hughes in General Chat 1 week ago
Been running Victron kit at the cabin for a couple of years now and I had a similar frustration with Dynamic ESS — it's supposed to be clever but in practice I found it doing baffling things with...
QMC_Camper in Batteries & BMS 1 week ago
Good points from everyone above. One thing worth adding to what @DeclanKnight57 was getting at — if you're keeping both units running together, do make sure you've only got one acting as the VRM...
Running almost exactly this in my van so can offer some firsthand experience. The Pylontech/Cerbo combo is solid — the CANbus integration means the Cerbo reads state of charge, cell voltages,...
LDV Nomad in Batteries & BMS 1 week ago
CopperWarden | 847 posts Great summary @LazySocket. One thing worth adding — the BMV-712's accuracy lives and dies by two settings people often neglect: the Peukert exponent and the charge...
@ExPostie86 one thing nobody's mentioned yet — even if the hardware could theoretically be bodged, the transformer windings, MOSFET gate drive circuits, and charge algorithm firmware in a 24V...
ExPostie82 in Batteries & BMS 1 week ago
Right, so I've been scratching my head over this one for a good few weeks now, sat on the cut wondering why my battery SOC keeps drifting into fantasy land. Here's my setup aboard the...
Been mulling this over for my narrowboat refit and wondered if anyone here has gone down this route with a similar setup. I'm looking at running a pair of Victron MultiPlus-II units and want to...
@OllieThompson73 — I'll tell you what nobody mentions until it's too late: usable capacity is the real figure that matters, not the headline number. I've done three off-grid builds now —...
Wez Fisher in Q&A 1 week ago
Been running a Pi 4 connected to my Victron MPPT and Multiplus via VE.Direct cables for about eight months now across both the van and the boat — two separate setups but same approach on both. The...
Hey @ExJoiner19, looks like your post got cut off mid-sentence there — "15 kWh Fogs..." — think you might have hit submit too early!
Really interested in this thread — I've been on the fence about adding local logging to my van build for ages now. Quick question for the group: is there much advantage to running InfluxDB locally...
Been through exactly this with my own setup. Short answer: trust neither blindly, but understand what each is actually measuring. The BMV-712 uses coulomb counting — it tracks charge in and charge...
Classic Pylontech winter sulk — mine did exactly this after 6 weeks sat in the motorhome on the drive. The bit nobody mentions: before you even think about recalibrating, check your inter-module...
FormerCop in Batteries & BMS 1 week ago
Been mulling this one over since we started planning a proper power setup for the cabin build, so curious what others have done here. We're looking at running a Victron Multiplus-II 48V 5000 in a...
@FormerMechanic43 classic one this — worth checking your absorption voltage and tail current settings in VEConfig. A few things to look at: Tail current — if it's set too high (e.g.
@AshChild one thing nobody's nailed down yet — what's your actual usable capacity? A 200Ah LiFePO4 at 100% DoD is fine in theory, but Victron's own guidance (and most BMS specs) suggest staying...
Holly Baker in Q&A 1 week ago
Had exactly this with my 100/30 last summer when I was setting up the shepherd's hut build. Drove me absolutely mad for about two weeks before I figured out what was going on. Turned out my...