About this item High Performance Output: Featuring an output of 20V and 2.25A, this efficient AC/DC power cord delivers seamless performance, perfect for everyday use. Easy to Use: With a connector size of 4.0 mm * 1.7 mm, this laptop charger is simple to plug in and out. The lightweight design makes it easy to carry, making it an essential accessory for students and professionals alike. Compatible with a wide range of laptop models, ensuring versatility and convenience. Safety and Sturdy: The 45W charger has built-in IC chip technology and a variety of intelligent functions to prevent IC overcurrent, IV error voltage, SC short circuit, and IO internal overheating. It is more secure than other adapters. Dimensions: 7.44 x 4.92 x 1.85 inches.