Egoway New Laptop Battery for Apple A1281 A1286 Macbook Pro 15" Aluminum Unibody (2008 Version) MB772 MB772LL/A [Li-Polymer 6-cell 4800mAh] Battery Type: Li-Polymer; Voltage:10.8V; Capacity: 4800mAh; 6 Cell. 100% New from Manufacturer, High Performance 4800mAh A1281 A1286 Replacement Battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Warranty: 1 year warranty, 30 days money return guarantee, 24 x 7 email support.