Delta Electronics AC Adapter, specifically model SADP-65KB B.
This 65W power supply is commonly used for laptops from brands like ASUS and Acer.
Key SpecificationsModel: SADP-65KB B
Input: 100-240V ~ 1.5A, 50-60Hz
Output: 19V ⎓ 3.42A (65 Watts)
Connector Tip: Typically 5.5mm x 2.5mm