Wakeach Performance Laptop Notebook Battery for Apple MacBook A1281 A1286 Pro 15-Inch Aluminum Unibody(2008 Version) Super Capacity Li-Polymer - 12 Months Warranty[6-Cell, 5200mAh/58Wh,White] Battery Type: Li-Polymer; Capacity: 5200mAh/58Wh; Cells: 6-cell; Voltage: 10.8V Safe battery: CE-/FCC-/RoHS Certificates are tested by reputable, qualified and accredited testing laboratories, ensures superior performance, quality and safety Superior quality: strict guidelines for compatibility,6 grade A cells, high capacity and low power consumption, meet with environmental and safety requirement Operating time: the actual operation time will depend on hardware/software being run as well as power management settings and the laptop's energy efficiency Warranty & service: 12 months hassle-free warranty. And friendly and knowledgeable Customer Support Staffs are available. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as below