About This File
Main (U1) factory firmware for the Axpert Max II 8 kW non-twin, version 54.06, compiled 05/Sep/2023, for the '2809 DSP. Do not use with any other model, not even Axpert Max II 8kW with other than 54.xx existing firmware. Use at you own risk. Non-twin refers to models with a single AC output port; all Max models have dual MPPTs.