TAUPO New Laptop Battery for Dell Inspiron 1564 1764 1464, fits P/N JKVC5 312-1021 0FH4HR NKDWV K456N [6-Cell] - 12 Months Warranty Battery type: 6-cell; Capacity: 49Wh; Voltage: 11.1V Compatible part numbers: JKVC5 05Y4YV 0FH4HR 5YRYV 9JJGJ NKDWV 451-11467 CW435 312-1022 U661H 100% New from Manufacturer. Rechargeable Up to 500 times over life of battery Built-in circuit protection. Automatic power cut off at high electric current, voltage or temperature ensures safety and extended battery life CE-/FCC-/RoHS-Certified for safety, 12 months hassle-free warranty