About this item Safety: UL Listed. This item meets UL's nationally recognized standards for high-level electronic safety. Attention: This Charger is compatible with 4.0mm x 1.7mm Charging Connectors. (Not compatible with 3.0mm x 1.1mm Connectors, please check your laptop). Fits various Lenovo Ideapad Series, Ideapad Flex Series, and Yoga Series laptops. Output: 20V 2.25A 45W Input: 100-240V Package Includes: 1 X Power Adapter, 1 X Power cord. Product dimensions: 3.74 x 1.57 x 1.14 inches.