BRTONG A1280 New Laptop Battery For Apple MacBook 13 inch A1278 (Late 2008 Version) MB771G/A MB467LL/A MB466LL/A - 12 Months Warranty Compatible Models: Apple MacBook Pro 13" inch A1278 (2008 Version), A1280 Compatible Part Numbers: MB771 MB771*/A MB771J/A MB771LL/A Battery type: Grade A Li-Polymer; Capacity: 5200mAh/52Wh; Cells: 6-cell; Voltage: 10.8V Operation time for standard batteries: Around 3 hours, the actual operation time will depend on how much electricity is required by the device and how you use itty and stability. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety, About 500 recharge cycles over the life of the battery. 24 x 7 email support, 12-month hassle-free warranty