Why is my SOK 206Ah BMS going into protect mode @ power on?

[corn18]

Now that I have two batteries installed, I no longer need the precharge circuit for the BMS’s. Should I still precharge to save wear on the inverter caps?

 

[Sanwizard]

Now that I have to batteries installed, I no longer need the precharge circuit for the BMS’s. Should I still precharge to save wear on the inverter caps?

Yup.