HP Original Battery 9 Cell for HP Business NoteBook 6530b, 6535b, 6730b, 6735b, 6930p and EliteBook 6930p, 8440p, 8440w and ProBook 6440b, 6445b, 6530b, 6535b, 6540b, 6545b, 6730b, 6735b, 6930p series / OEM part# HSTNN-DB0E Capacity: 11.3V 93Wh / 9 Cell Condition : Brand New HP OEM 1 year warranty