90W Adapter Dell Inspiron 2500 Series (20V 4.5A Square 3 Pin)

This notebook adapter delivers 20V X 4.5A 90W
Connector Square 3 pin

This model also fits the following combination
20V X 3.5A

This model is applicable to the following notebook models
DELL Inspiron 2500,2600, 2650, 3700, 3800, 4000, 4100, 4150,5000, 5000e, 7500, 8000, 8100,8200,5100,C810, C800, C610, C600, C510, C500, C400,C640, C680, CP, CPi, CPi A, CPi R, CPt C, CPt S, CPt V, CPx H, CPx J, CS R, CSx H,CS.,Dell Precision M50 Series

This model is compatible with the following part nr
85391, 9364U, AA20031, K2490