For non-pro/plus models 1500 and below, the serial number is located on the bottom or the back panel. Please use this photo for reference: https://bit.ly/JckryGSN2.
For the 300 Plus, 1000 Pro, 1500 Pro & 2000 Pro models, the serial number is located on the backside underneath the fold-down handle. Lift the handle to see the serial number.
For the 1000 Plus, 2000 Plus & 3000 Pro please scan the QR Code on the back. Scanning the QR code will open the browser on your phone and it will run a search for the serial number.
SN code of the Solar Saga: The serial number can be found on the opposite side of the USB-port, of the Solar Saga 100W and 100X panels. For the Solar Saga 200W panel, the serial number is located next to the handle.
If you have any more questions, please reach out to us via hello@jackery.com or Amazon. We will respond back to your request within 24 business hours.