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holumiedey asked

My voltage and state if charge are not the same

I have a fronius and victron installation, with charge controller (AC/DC Couple),and lithiumion battery that has no communication protocol with victron , i noticed my voltage is pegged at 54v while charging and the percentage goes from 50% and steady goes to 100% , but immediately the pv inverter go off the battery voltage drops to about 53.2 volts and percentage goes to 25%image1.jpegimage2.jpegimage3.jpeg

Lithium BatteryFronius
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Alexandra avatar image Alexandra ♦ commented ·
@Holumiedey

The system has been told there are two types of battery. Each has a different absorption length. Soc is going to be messed up

Maybe use a BMV for Soc?

Are you on grid or off grid?

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