Good shout from @JimWilliams71 on the Vmp matching. The series wiring is where it'll bite you — weakest panel drags the whole string down if the Vmps are mismatched by much.
Personally I'd be...
@TracyRobinson 100% agree on the shunt — been running a Victron BMV-712 on my tiny house setup and it's night and day vs guessing from voltage alone.
One thing worth adding: if you're on a Victron...
Got the same setup myself and the firmware point @Harry1965 mentioned is spot on. Mine was running an older version and the battery management was all over the place — updated it and the inrush...
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