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%
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?
On grid, what if I can't get a BMV, which other alternative should I u check the lithium option.
Ess assistant is easier to setup with the fronius, rather than using hub.
https://www.victronenergy.com/live/ac_coupling:fronius#setting_up_the_victron_multi_or_quattro
Try checking the option for system uses lifepo4 with other type bms. The option is not available on hub though.
I have changed the setting to a single battery and it's still the sameScreenshot_20210912_145629.jpgScreenshot_20210912_145557.jpgScreenshot_20210912_145557.jpg
Are your batteries switching themselves off by any chance?
The other thing is sometimes the ve vus soc beeds a cycle or two to sync properly
