Battery for Apple Macbook Pro 13 inch Unibody A1322, A1278 Battery type - Li-polymer , Capacity: 6000mAh/65Wh, Voltage: 10.95V High Quality - High grade cells ensure good energy efficiency performance both during charges and consumption; Built-in circuit protection ensures both safety and reliability. Replacement - Specially replace for Apple MacBook Pro 13" A1322, A1278 Series. Certified Safe - The product is certified by CE and RoHS to ensure the safety of you and the machine.