Safety First: This product has passed rigorous tests for its premium quality and safety system. Flawless Compatibility: Compatible with Samsung Galaxy Book Pro 360 15.6" NP950QDB-KB2US NP950QDB-KA2US NP950QDB-KB1US NP950QDB-KA1US Galaxy Book Pro 360 13.3" NP930QDB-KE2US NP930QDB-KD1US NP930QDB-KE1US NP935QDC-KE1US NP950QDB-KA3US NP950QDB-KB4US NP930QDB-KE4USGalaxy Book Pro 15.6" NP950XDB-KB2US NP950XDB-KA2US NP950XDB-KB1US NP950XDB-KA1US Galaxy Book Pro 13.3" NP930XDB-KE2US NP930XDB-KD2US NP930XDB-KE1US NP930XDB-KD1US laptop- It will not work properly If your device requires over 65W. Service & Support: 30 Days No-hassle Return and 12-Month Warranty. What you get:1 x AC Adapter. Output & Wattage: 5V-3A or 9V-3A or 15V-3A or 20V-3.25A Watts: 65 Watts (Works with 20V-3.25A 65W laptop).