Brand‎GenericModel‎HP 19.5V-2.05AItem part number‎HP04001Compatible Devices‎LaptopsPin Size‎Bullet PinWattage‎40 WattsPower Source‎Corded ElectricMounting Type‎Wall MountWarranty‎06 Months1.Input: AC 100-240V,50-60Hz Output: DC 19.5V 2.05A 45W2.Connector size: 4.0mm * 1.7mm(Please refer to the picture)3.Fit for:HP mini 1030 1033 1035NR 1010NR series 580402-001,540402-003,PPP018L,PA-1300-04HV,534554-001,535630-001,584540-001,580402-001,540402-003.(Pls see the product description for details)If your laptop model is not listed here, kindly match with the output rating & output pin type from your old ac adapter, as given above. If it is same, you may buy this adapter.