About this item Make sure that you can find your computer model by pressing Ctrl + F. Please carefully examine the interface diagram (15 tips) to ensure the tips are compatible with your computer, with a maximum power rating of 90W! This universal power adapter supports a wide input range of 100-240V AC, 50-60Hz 3A, making it suitable for global use. It offers selectable output voltages of 18.5-20V 4.74A with a maximum output of 90W (4.74A). Please ensure your device's power requirement does not exceed 90W. Universal Compatibility: The smart chip automatically adjusts the voltage. With 15 included tips, this adapter works with most laptops on the market. Simply find the tip that fits your device, and you're ready to go. This laptop charger is compatible with a wide range of laptop models. It works with Acer series such as the Aspire E 15 (including E5-575-33BM, E5-575G-57D4), Aspire CB3/CB5 (like CB3-131-C3SZ, CB5-571-C09S), Chromebook C720/C740, and models from the P, S, U, X05, VM, G