Max 45W: Input: 100-240V 50-60Hz 1.5A; Output: 19.5V 2.31A 45w; Connecter size: 4.5 mm 3.0 mm Tip; 4.5 mm outer Diameter; 3.0 mm inner Diameter with central pin Compatibility with dell inspiron 11/13/14/15/17 3000 5000 7000 series; 11 3000 3147 3148 3152 3153 3157 3162 3168 3179; 13 5000 7000 5368 5378 7347 7348 7352 7353 5368 5378 5379 7368 7378; 14 3000 5000 7000 3451 3452 3458 3459 3462 3467 5451 5452 5455 5458 5459 7437 7460; 15 3000 5000 7000 3551 3552 3558 3565 3567 5551 5552 5555 5558 5559 5565 5567 5568 5578 7558 7568 7560 7570 7579 7569; 17 5000 7000 5755 5758 5759 5765 5767 7778 7779 Compatibility: 130watt ac adapter fit for Dell Inspiron 11/13/14/15/17 3000 5000 7000 Series(3583 3593 5570) Latitude E5450 XPS 13-45 Watt AC 2-in-1 Compatible P/N: AA45NM131 DA45NM131 DA45NM140 HA45NM140 HK45NM140 LA45NM121 LA45NM131 LA45NM140 Portable design: the weight is so light which is an incredibly small footprintfit for dell laptop ac travel adapter slips into bags, purses and eve