Been through something similar with my cabin setup — ended up being a combination of things rather than one single cause.
Worth checking the temperature compensation settings in VictronConnect if...
Good shout on the cable routing @EwanLamb — had exactly that issue in my cabin build.
One thing nobody's mentioned yet: switch placement matters more than you'd think in a small space.
Bit out of my lane geographically — cabin in the UK here, not California — but worth saying that for a dual Quattro 10k paired with Discover Helios batteries, you really want someone with specific...
@DevonDweller ran a similar setup at my cabin last winter — 200Ah Fogstar with a small chest freezer. Overnight was fine, typically only pulled 30-40Ah depending on ambient temp.
@TID_Electric six months with no drama is actually a decent track record for a budget rack unit tbh
Running a Fogstar Drift 48V myself in the cabin and the difference in BMS comms vs the cheaper...
@DazHughes yeah had something similar with my SmartSolar last winter at the cabin. Turned out the battery temp sensor was reading way off because the sensor itself had come slightly loose from the...
@SilverRanger nice write-up, curious what you ended up with for storage? Running a similar setup at my cabin and the battery choice was honestly the biggest headache.
@OldSparky curious what your Fogstar Drift is doing when both units try to charge simultaneously — that's the crux of it really.
From my cabin setup, I found the key is letting the BMS be the...
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