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) For Dell Inspiron 1464 1464D 1464R 1564 1564D 1564R I1564 I1464 1764 14 Compatible Part Numbers: NKDWV 0X0WDM UM6 X0WDM 0FH4HR 312-1021 5YRYV 9JJGJ FH4HR JKVC5 K456N NKDWV P07E P07E001 P08F P08F001 P09G P09G001 TRJDK UM3 UM5.