19.5V 3.34A PA-21 Laptop AC Adapter Charger for Dell Inspiron 1318 1545 1546 1551 1557 1750 XPS M1330 with Octogonal tip AC Input: 100 - 240V 50 - 60Hz, Output: DC 19.5V 3.34A 65W Octagonal Tip Connecter size: 7.4 mm outer diameter / 5.0 mm inner diameter with central pin Tested Units, Safety: CE / RoHS-Certified for safety,Built-in overload, over-voltage, and short circuit protection; High energy efficiency - friendly to the environment, and your laptop Elecbrain is focus On Providing Quality Power Products and Excellent Customer Service,24 x 7 Email Support,12 Months warranty, 30 Days Money Back Guarantee!Buy with confidence!