Victron BMV, 712 is best.
Bogart Trimetric
Link Pro
Balmar SG-200
For lead banks, SoC% and voltage only, not a coulometer, Merlin SmartGauge is most accurate.
Go here
https://marinehowto.com And CTRL-F for battery monitor and read closely those three articles
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Note if you just want info about the SC contribution you don't want a full bank monitor, just a cheap one way coulometer at the SC output will do.
With the Victron MPPT SmartSolar units, the app on your smartphone is maybe enough. With the BlueSolar line you need the add-on dongle.