... Defective rate:less than 3% Replace Part Number:For Dell P/N: WK890, 0WK890, NN236, 0NN236Model ... D094H, PA-3E, PA3-E, Y807G, Y808GCompatible Notebook Models; For Inspiron Models: 1150, 1420, 1501, 1521, 1720, 1721, 600m, ... 6400, 8500, 8600, 9200, 9300, 9400, E1505, E1705. For Latitude Models: 100L, D400, D410, D420, D430, D500, D505, D510 ... , D830N, X300 D820, D830, D830N, X300 For Vostro Models: 1700