Will the device support OTA Firmware upgrade in case powerpal needs to fix bugs or enhance features? July 04, 2019 01:03 Yes, Powerpal supports OTA firmware upgrade via the app. Related articles Does Powerpal need batteries, what battery does it require and what is the operating time? Can I see solar export Power? Is Powerpal Weatherproof? I want to read real-time data, will this impact battery life and how often the data will be sent in this condition? If we go on holidays for a week, will the week's data be stored and sent to me when we get home?