The Acer KP.06503.028 is a 65W AC power adapter for compatible Acer notebooks, supplying power through USB Type-C. Acer associates this part number with the Lite-On PA-1650-58AA Type-C brick and lists compatibility across a range of notebook models.
Its output profiles are 5V/3A, 9V/3A, 12V/3A, 15V/3A and 20V/3.25A. The parts description specifies a black adapter with an Acer logo. The profile details help identify the adapter when checking whether it suits a supported notebook.
Use it as a power source for a compatible notebook, or as an additional adapter for a supported setup. Acer’s compatibility listing covers multiple notebook families; check Acer’s own list for the exact supported devices.