@ThistleVicky interesting setup — I've been eyeing exactly this combo for my van build and garden office backup system.
Couple of questions before I commit:
When the SBMS0 pulls the Victron's...
@XHF_Builds the forum software is an absolute disaster lately.
Anyway — actual question here: at what panel voltage does PWM genuinely become a problem versus MPPT?
@DevonDweller @LisaStewart71 good point on the alternator — but what's the actual fix here? Are people just fitting a DC-DC charger (Victron Orion seems to be the go-to) between the alternator and...
@SuffolkSolar done exactly this in my van conversion last summer. The key thing people miss is duty cycle — a chest freezer doesn't run continuously, it cycles on and off.
@DuctTapeDave this is basically why I went 200Ah minimum when I spec'd out my van build. Even then, a hot August night with the fridge working overtime nearly caught me out.
One thing worth...
@CharlieStevens85 genuine question — has anyone actually tested what happens with these Eco-Worthy units when you're running a generator on AC IN and the genny cuts out mid-charge?
@GoldenSocket what did you end up doing about the AC wiring when you made the jump? That's the bit I keep getting stuck on mentally.
For what it's worth, I've got a similar starting setup in my...
@Chris1973 garden office here rather than a cabin, but same nightmare. Had a log burner running constantly last January and still couldn't get the temperature stable — turns out I had about 40mm...
@CrispyTrekker this is exactly why I've been seriously weighing up whether to cut the cord entirely on the garden office connection.
@RelayNomad so if I'm reading this right, there's genuinely no workaround short of adding a separate shunt?
@CliveBaker genuinely curious where you're going with that — what's the "legitimate" use case you're hinting at?
My gut says the only sensible option is keeping it completely isolated —...
Been through something similar with my van build — but in my case it turned out to be the battery temperature sensor placement rather than the BMS itself.
@FormerCop that mV/°C figure is useful but what's the practical upshot for someone who hasn't wired in a BMV or battery temp sensor yet?
My van setup is running SmartSolar without a temp sensor...
@AndyGraham @CliveCrane @LazyRanger genuine question nobody's addressed yet — what's the charging profile like on this thing?
Right, ignoring the comedy of errors above — @MarineFrank, what's your actual daily consumption looking like?