Easy Style 56Wh Replacement Laptop Battery for 2008 MacBook Pro 15" A1286 A1281 MB772 MB772/A MB772J/A Battery Type: Li-Polymer; Capacity: 56 Wh; Cells: 6-cell; Voltage: 10.8V 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-Certified for safety Compatible with : 2008 Macbook pro 15 inch Battery A1281 A1286 (only 2008 Version) 12 Months Warranty,30 days money return guarantee