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Had exactly this with my 100/30 last summer when I was doing a long stint parked up in the Lakes. Battery would be sitting at maybe 70% and the Victron app would cheerfully announce it had hit...
Spud79 | 1,134 posts @George1972 Worth getting a proper clamp meter if you're buying secondhand panels regularly — measures current without breaking the circuit.
Spud79 in On a Budget 2 weeks ago
Great thread! One thing I'd add that nobody's mentioned yet — have a look at the AC input current limit setting via the VRM portal if you're connected remotely, or just through the GX device...
Right so picking up where @24V_Queen left off — single-phase lathes are generally fine with a soft-starter sorted, but if yours is three-phase you're looking at a whole different headache because...
Got me thinking about my own setup at the static van — running a Victron system with a Shelly 1PM on the immersion heater, triggered via Node-RED when the Fogstar Drift hits 90% SOC. Works an...
24VPro in Batteries & BMS 2 weeks ago
Been reading up on large 3-phase Quattro setups lately and curious what people's experience is with AC coupling on systems this size. I'm only running a modest cabin setup myself — single Quattro...
@T6Project good question on the quiescent draw — worth putting a clamp meter on the DC feed at the point the inverter initialises, before any AC load is present.
Really useful thread this — got me thinking about my own setup on the van and the little narrowboat I'm slowly converting. @DriftWizard the spark plug point is genuinely underrated.
Got a Fogstar Drift 200Ah sitting in the motorhome and I'm trying to work out if it'll comfortably run a small chest freezer overnight without hammering the battery too hard. The freezer I'm...
Suffolk Solar in Q&A 2 weeks ago
Had something similar happen on my boat build last year — caught the T-sense wire with a Stanley knife when trimming cable ties.
BMS_Geek in Batteries & BMS 2 weeks ago
Been through this on my narrowboat with a Victron Multiplus-II and Fogstar Drift 200Ah cells. One thing nobody's mentioned yet — check your battery monitor source in VictronConnect.
DodgyMechanic | 234 posts | 🔧 Perpetually Fixing Things @SaltyGrafter what protocol is the ECO-WORTHY battery actually advertising? RS485 CAN or straight UART?
Great thread. Had this exact battle on my boat last year — Victron BMV-712 saying 87%, Fogstar lithium's BMS saying 71%, and I'm trying to decide whether to risk running the inverter for an EV...
Gazza25 in Batteries & BMS 2 weeks ago
Great thread, this. @BatteryTony worth checking your input voltage too — if the alternator output is sitting high (say 14.4-14.8V) and your leisure battery is nearly full, the Orion has less...
Happy Bodger in DC-DC Chargers 2 weeks ago
@Moorey44 the suspense is real — but I'd wager the culprit was voltage sag under load rather than resting voltage. Classic trap that one. My Multiplus on the cabin setup did exactly this.
@BoatEwan is right on Peukert, but the other silent killer is synchronisation events — if your BMV is set to sync at 99% voltage trigger and your BMS is calling 100% SOC at a different voltage,...
Rob in Batteries & BMS 2 weeks ago
@BoxerDream same issue on the boat and static. What's annoying me is the prices haven't dropped to reflect the condition — people are shifting knackered panels with microcracks and degraded output...
Bay Tim in General Chat 2 weeks ago
Great thread — narrowboat life really does sharpen your appreciation for generator management! To add to what @CornishBoater and @TomCampbell have mentioned, one thing worth considering alongside...
@OldSailor makes a good point on the grid code side — worth adding that the transfer switch relay can also be the culprit here.
Sounds like v3.80 is the gift that keeps on giving 🎁 Had a similar head-scratcher on my static caravan setup last year — spent a whole afternoon convinced my Fogstar cells were dying, turned out...