About this item This charger is designed for devices with power requirements up to 65W (45W and 33W included). It is not compatible with laptops requiring more than 65W, such as gaming laptops. Safety: This item meets nationally recognized standards for high-level electronic safety. IMPORTANT: Only fit for 4.0*1.35mm - please check the images to confirm the compatible size. Flawless Compatibility -- Switchable round connectors designed exclusively for devices with 65W, 45W, or 33W round power connectors. Other Specs -- Output: 19V 3.42A-65W, 2.37A-45W, 1.75A-33W, Input: 100-240V. Dimensions: 2.64 x 2.64 x 1.13 inches.