Input: 100-240V, 50-60Hz, Output: 18.5V 3.5A Power: 65W Connecter size: 7.4mm / 5.0mm Compatible With Part Number: ED494AA#ABA, 391172-001, 384019-003, PA-1650-02HC, 384019-001, 463958-001 , 463552-001 The DC jack size is round 7.4×5.0 mm, which means its overall diameter is 7.4 mm. You can check if the charging port of your laptop is approximately 7.4 mm. It is not compatible with 4.5 ×3.0 mm and 3.0*1.1mm thin-head ports or USB-C (Type-C) ports; you can also refer to the photos in the link for details.