... power adapter, 18.5V/3.5A adapter for HP/COMPAQ, computer parts, laptop accessory 18.5V/3.5A ... Description:Replacement HP/Compaq 18.5V 3.5A AC ... With central smart-pin inside Fit Laptop Model : HP Pavilion:DV4-1000 SeriesDV4-1000, DV4T-1000, DV4Z ... 2133, B1210HP EliteBook:2530p,2730p,6930p,8530p,8530w HP Compaq Tablet PC tc:tc4400,tc4200HP Compaq ncnc2400, ...