Battery Type: Li-ion Voltage: 11.1V Capacity: 4400mAh / 49Wh Color: Black Dimension: 274.5x53.0x22.5 mm Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty! Weight: 338 g Compatible Part Numbers: 312-1021, K456N, 5YRYV, 9JJGJ, JKVC5, NKDWV, TRJDK Fit Laptop Computer Models: DELL Inspiron 1464 Inspiron 1564, 1564D, 1564R Inspiron 1764