CSE&reg; New Laptop Battery for Apple MacBook Pro 17-Inch A1383, A1297, A1383, 020-7149-A (2011 VERSION) + Two Free Screwdrivers [9-Cell Li-Polymer 10.95V 8700mAh/95Wh] - 12 Months Warranty Battery type: Li-Polymer; Capacity: 8700mAh/95Wh; Voltage: 10.95V, 9 cells 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,12-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: the actual operation time will depend on how much electricity is required by the device and how you use it.