You can disable charging in Settings > Battery. They've added this function in FW1.0.7 for LTD and FW1.0.2 for ESS.
I don't want to disable charging I want to run it off a power supply if that bypasses the battery.
Like I said above I know that isn't an advertised feature, like it is in a more elaborate manner on the M23, but it is a feature on some other brands DAC/amps I have even though not advertised as such.
Probably a stretch but hoping the battery management is sophisticated enough to bypass the battery when plugged into a charger even without all the other M23 desktop mode features.