About this item Please note! Ensure that you can find your computer model by pressing Ctrl + F. Wide input & output: Input: 100-240V 50~60Hz worldwide. Output: 15V 16V 19V 19.5V 20V, 4.5A 90W, 65W, 45W. Not compatible with devices with voltage higher than 90W. Wide Compatibility: This universal adapter includes 16 optional tips, compatible with most laptops, ultrabooks, Chromebooks, and more. It works with a variety of models. As long as the connector of your laptop matches one of these 16 tips, it will function properly. Compatible with a range of models, such as: HP ENVY series, Dell Inspiron, Lenovo ThinkPad, Acer Chromebook, and more. Dimensions: 7.4 x 5.04 x 1.85 inches.