About This File
Main firmware update file for Axpert King II (NOTE: NOT for the original Axpert King with 145 V max PV). This version is supposed to fix "Can't charge the battery in ECO mode".
This is the version with dsp.hex dated February 2022; there is another version also called 50.02 with dsp.hex dated November 2021.
Use at your own risk. Firmware update instructions here.
Edited by Coulomb