Power supply type: Auto Output power: 90 W Purpose: Laptop DC1-to-DC2 Detachable power connectors 1 pc(s) Black Power up and stay productive on the road, in-flight or in your office with the DellPower Adapter. It is an all-in-one, DC device that will both power your Dell laptop as well as charge its battery. It plugs into any auto outlet or air outlet for long-lasting performance.CompatibilityThis product is compatible with the following systems:- Alienware M14x R2- Inspiron 13R (N3010)- Inspiron 13z (5323)- Inspiron 14 3000 Series (3421)- Inspiron 14 3000 Series (3452)- Inspiron 14 5000 Series (5447)- Inspiron 1420- Inspiron 14R (5421)- Inspiron 14z (5423)- Inspiron 15 (3521)- inspiron 15 3000 series(3552)- Inspiron 15 5000 Series (5547)- Inspiron 15 7000 Series (7537)- Inspiron 1520- Inspiron 15R (5520)- Inspiron 15R (5521)- Inspiron 15R (7520)- Inspiron 15z (5523)- Inspiron 17 (3721)- Inspiron 17 7000 Series (7548)- Inspiron 17 7000 Series (7737)- Inspiron 17 7000 Series (7746)- I