AC Adapter Battery Charger For Hp Pavilion Dv4-2162nr Dv4t-1300se Dv4t-1400 Dv7-3089nr Dv7-3153ca Dv7-3160us Dv7-3169wm Dv7-3171nr Elitebook 2170p B8v46ut 8460p Qw064us