A unique identifier of the inverter, printed on the device label and located on the top box of the inverter. The format is 6digits-9digits-2digits, for example: SJ1234-07F123456-78. . A0---0. 7kW single MPPT single phase Grid-tie PV inverter。 A1---1kW single MPPT single phase Grid-tie PV inverter。 A2---1. . Tesla serial number should begin with the letter T, G, or C. Please do not include the leading letter “S” in the serial number in your enrollment application. You can find your Gateway serial number, which is the password for Backup Gateway and Non-Backup Gateway, on the bottom of the home screen. . Information on different ways how to determine the serial number of an inverter. Alternatively, the serial number can be read off via a data logger: If you have an inverter with one serial. . Once the system has been installed but before it has been set up, confirm each device serial number matches the serial number listed in Tesla One. This step is critical to ensure the customer sees their devices in the Tesla app. This step is only required of Tesla installers; Certified Installers. . Home Products and services Solar FAQ Where can I find the serial number (SN) of the inverter? Where can I find the serial number (SN) of the inverter? .