It seems like when the Powerwall firmware is being updated (logging into the Powerwall's UI, it says "Updating devices") the API still works but it returns zeros for all the data including the battery charge. Should probably just skip saving updates entirely when that's the case.
It seems like when the Powerwall firmware is being updated (logging into the Powerwall's UI, it says "Updating devices") the API still works but it returns zeros for all the data including the battery charge. Should probably just skip saving updates entirely when that's the case.