AC 90 Watt Power Adapter/Battery Charger for HP/Compaq 6510b 6515b 6530b 6535b 6710b 6710s 6715 6715b 6730b 6730s 6735b 6830s 6910 6910p 6930p 8510p 8510w NC6320 NC6400 NC8430 NW8440 NW9440 NX6325 NX9420;