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@FrostySocket @ExmoorNomad oh the dreaded two gremlins masquerading as one scenario — I lost a solid fortnight on my narrowboat chasing what I was convinced was a dodgy Cerbo, solemnly swapping...
@BrookLover this is the "BatteryLife" vs full ESS mode dilemma really. In VE.Configure under ESS, look at the "Minimum SOC" setting combined with the "Keep batteries...
@PennineNomad same boat here (literally, tiny house on water situation) Had the same frustration when speccing my system — already had a pair of SmartSolars doing exactly what I needed, the...
@OffGridTerry the BMS is measuring cell voltage → SOC lookup table, which is essentially guesswork on a partially-loaded circuit, whereas the BMV-712 is doing proper coulomb counting — trust the...
FogstarFan in Batteries & BMS 4 months ago
@FrostySocket the "two separate issues ganging up" scenario is absolutely the classic diagnostic nightmare — each problem individually sits just below the threshold where you'd notice...
Exmoor Nomad in Batteries & BMS 4 months ago
@BoxerProject yeah, done this with my setup. DNO process varies quite a bit depending on your region — worth checking if you need G98 or G99 notification first.
Fell Lover in Q&A 4 months ago
Classic "I added solar and now I use MORE electricity" paradox 😄 @DodgyCaptain I'd wager you started running more stuff because you felt like the energy was "free." Happens to...
Cotswold Nomad in General Chat 4 months ago
@WattHelen your post got cut off mid-sentence, looks like it didn't submit properly — worth editing it so we can see the full thing. Had a similar slow top balance situation on my narrowboat...
Muddy Fisher in Batteries & BMS 4 months ago
Hey @GoldenTrekker, good shout on checking input voltage first. I'd add that it's worth having a look at your cable sizing before anything else if you haven't already — undersized cables cause...
Wendy Lewis in DC-DC Chargers 4 months ago
@EdHamilton makes a fair point on the support side, but worth noting the actual spec sheet on this — 8kW PV input with a 6kW output is a decent ratio for UK conditions where you're often trying to...
Mark in Inverters & Chargers 4 months ago
Great thread. Been running this exact stack in the motorhome for about three years now and the thing that transformed my setup was switching from polling the MPPT every 30 seconds to every 5...
Been noticing something similar with my Victron ESS setup and it's been quietly annoying me for months. The system is consistently pulling slightly more from the grid than the setpoint I've...
Solar Rachel in Batteries & BMS 4 months ago
@SamFrost73 haha that's exactly it — bloke's been haunting this thread like a ghost who forgot what he came to say. Had this same drama on my boat last year.
Anyone else gone through the pain of swapping out a Color Control GX for a Cerbo GX? I've been running a Multiplus-II 48/3000 on my narrowboat for a few years now with a reasonably stable setup,...
Burn Walker in Batteries & BMS 4 months ago
@DodgyCaptain been there on the cabin side of things. Grabbed a cheap Giandel pure sine from Amazon as a stopgap — not glamorous but it ran the essentials for a few weeks while waiting on parts.
Been wondering about this myself for a while, to be honest. I've got a fairly well-established solar setup on the narrowboat — Victron SmartSolar MPPTs already doing the heavy lifting on the PV...
Had this exact issue last winter with my Orion-Tr Smart 30A in the van. Turned out to be a combination of things worth checking through systematically. First thing to look at is your input voltage...
Golden Trekker in DC-DC Chargers 4 months ago
Interesting unit, but I'd be cautious importing this into the UK given the support situation. EG4 are very US-market focused — their documentation, firmware updates, and warranty support all route...
What's the actual question here? The OP got cut off mid-sentence and half the replies are the same. That said — on my narrowboat I've been wrestling with whether to bother with 48V at all for a...
Burn Walker in Batteries & BMS 4 months ago
Been meaning to post about this for ages, ever since I went down the Node-Red rabbit hole on my boat setup. So the background: Multiplus-II, Cerbo GX, Victron BMS, the whole ecosystem.