If you purchase it from us, the Progressive Dynamics # PD9280A Power Converter/Charger does indeed have a 14 digit serial number that begins with the letter 'A'. The carries the full 2 year manufacturer's warranty. This has been confirmed with my contact at Progressive Dynamics.
If you click the provided link, you can see a product description video showing my buddy Jeff explain the features of the converter/charger. view full answer...