Low volt cut off , but I'm not sure if there's any that will work with an inverter, I know victrons 'battery protect' doesn't.On a cloudy day I'm going to be discharging the batteries via the inverter, how do I prevent the inverter from draining the batteries too much? Is there another device that can monitor the SoC/DoD and cut off the inverter to protect the batteries?
Your inverter should have a built in low volt cut off , generally set to 10.5v (100%dod on gels/AGM batteries). On most good inverters it's adjustable
This should give you a rough idea , but voltage is a poor indicator of SOC%, , you're better off with a good quality shunt measuring amps in vs amps out to give you a true soc
Resting voltage only:
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