SLRIOYS Compatible With Surface Pro 10, Surface Pro 9, Surface Pro 8, Surface Pro 7, Surface Pro 7+ Plus, Surface Pro 6, Surface Pro 5, Surface Pro 4, Surface Pro 3, Surface Pro X. Surface Book 1st, Surface Book 2, Surface Book 3, Surface Go 1st, Surface Go 2, Surface Go 3, Surface Go 4 Tablet. SLRIOYS Compatible With Surface Laptop 7, Surface Laptop 6, Surface Laptop 5, Surface Laptop 4, Surface Laptop 3, Surface Laptop 2, Surface Laptop 1st, Surface Laptop Studio 1st, Surface Laptop Studio 2. Surface Model 1800 1807 1625 1631 1735 1736 1706 1796 1769 1724 1782 1749 1866 1798 1796 1932 1943 1979 1873 1872 1867 1901 1932 1749 1824 1976 1860 1868 1943 1963 1951 a1706 a1800 Power Specification: Output Max:15V 4A 65W Watt, (fit for 44W 39W 36W 24W Wattage Devices), USB A port 5V-1A. Input Volt Range: 100-240V 50-60Hz. Power Jack Charging Port Connector Type: magnetic (It is not compatible with laptops requiring more than 65W) Engineered for your peace of mind, this charger is built