Go to Amazon Sites : br br TPE? New Laptop Battery for Apple A1175 A1211 A1226 A1260 A1150 MacBook Pro 15-12 Months Warranty br br Battery type rechargable Li-ion Battery Capacity 5600mAh Cells 6-cell Voltage 108V br 100 New from Manufacturer Up to 500 recharge cycles over the life of the battery br CE-FCC-RoHS-Certified for safety12-month hassle-free warranty br Grade A cells ensure fast charges and low power consumption Built-in circuit protection ensures both safety and stability br Operation time Over 2 hours the actual operation time will depend on how much electricity is required by the device and how you use it