New Laptop Charger AC Adapter PA-12 19.5 V 3.34A for Dell Inspiron 15 (3520),Inspiron 15 (3521), Inspiron 15 (3537), Inspiron 15R (5520), Inspiron 15R (5521), Inspiron 15R (7520), Inspiron 15R N5110 Input Voltage: 100-240v ~ 1.5A / 50-60Hz | Output: 19.5v - 3.34A | Power Wattage: 65W | Power Cord Included! Inner diameter - 5.0mm Outer diameter - 7.4mm. Package: 1x Ac adapter & 1x Ac power cable. Features 100% Brand Replacement New adapter , with 1 year warranty