The onn 90W Laptop Charger Adapter is a versatile power source compatible with various laptop brands such as Acer, Dell, HP, and Asus. With a voltage output of 19V and an output current of 4.74A, this black charger is designed to provide efficient power for a wide range of laptop models. The included 10 tips ensure a secure fit for your specific device, making it a convenient and reliable option for keeping your laptop powered up and ready for use.