Anker&Acirc; New Laptop Battery for Dell Inspiron 1464 1464D 1464R 1564 1564D 1564R 1764, also fits JKVC5 P07E P08F NKDWV - 18 Months Warranty [Li-ion 6-cell 5200mAh/58WH] Battery type: Li-ion; Capacity: 5200mAh/58WH; Cells: 6-cell; Voltage: 11.1V. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 8-hr x 5-weekday call support, 18-month hassle-free warranty. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time for standard batteries(6-cell, 4400mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.