Certified Safety -- Certified and listed by the nationally recognized electronics safety testing expert UL. Only products with the best quality, workmanship & safety level in the industry can pass UL's extremely stringent quality tests to obtain this honorable certification. Flawless Compatibility -- Exclusively designed to fit ALL Lenovo laptops (65W & 45W, USB C connector), e.g. ThinkPad, IdeaPad, Chromebook, Yoga, Flex, Thinkbook laptops with USB C power connector. Fast Charging -- Power up your laptop and give you the productivity & flexibility you need quickly. After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee. Power Specs -- Output: 65W (20V/3.25A), works for 45W (20V/2.25A) Lenovo laptop as well; International Voltage Standards: 100-240V, 50-60Hz