TGF 45w ac adapter for Dell Ultrabook XPS 13 XPS12 L321X L322X, Inspiron 14 3000 Series 3451 14 7437 7000, Compatible P/N: LA45NM121 PA-1450-66D1 [19.5V 2.31A] Input: 100-240V, 50-60Hz~1.5A Output:19.5v 2.31A 45w USB Port: With a usb port for phone and pad charging when charging the laptop CE-/FCC-/RoHS-Certified. Tested under strict quality control standards, strict guidelines for compatibility Warranty: 12 Months warranty, 30 days money return guarantee.