Product does not work with the 1200XL, 1400XL, or 1450XLD.
This is USB Type A (Male) connector to a DIN7 (Atari XL/XE) that has been wired for powering an Atari XL/XE using a standard 2.0A or higher USB charger. USB 1.0 (500mA) is probably too low to even turn it on. You MUST provide a charger with enough amperage. Most newer chargers