Specification: Battery type: Li-ion Voltage: 11.1V (Compatible with 10.8V) Capacity: 5200mAh Cell: 6 Cells recharge cycles: 500 Operation time: Around 2-3 hours Compatible Models:( Ctrl + F for fast search ur laptop model) DELL: Inspiron 14 Inspiron 1464 Inspiron 15 Inspiron 15 (1564) Inspiron 1564 Inspiron 1564D Inspiron 1564R Inspiron 17 Inspiron 17 (1764) Inspiron 1764 Inspiron I1564 Compatible Part Numbers: NKDWV 0X0WDM X0WDM UM3 UM5 UM6 0FH4HR 312-1021 5YRYV 9JJGJ FH4HR JKVC5 K456N P07E P07E001 P08F P08F001 P09G P09G001 TRJDK .