... : Please make sure the DC output and tip size of ac adapter are accordant before you bid.ColorBlackInput voltage100-240VVibration input voltage ... , D420, D430, D500, D505, D510, D520, D531, D531N, D540, D600, D610, D620, D630 XFR, D630N, D631, D631N, X300, 131L, ATG, XT, E4200 ... , M140Dell Studio Notebooks Dell Studio 13, 14z, 15, 1555 Power AC adapter for 19.5V 3.34A PA-12