Lukk A1321 Laptop Battery for Apple A1286 [Mid 2009, Mid 2010 Version Only] Unibody MacBook Pro 15" - Fits MB985LL/A MB986LL/A MC118LL/A MC371LL/A MC372LL/A MC373LL/A + 18 Months Hassle-Free Warranty Cell type: Li-Polymer; Cells: 6-cell; Capacity: 7200mAh/80Wh; Voltage: 11.1V. Brand New battery directly from the manufacturer. Compact design & Precise cutout perfectly fit your laptop just like the original. Grade A Li-Polymer cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection enhances safety of usage and extends battery life. Expected operation time: around 2 hours. The actual operation time will be subject to the way you use it. Up to 500 rechargeable cycles over the battery lifetime. Buy with confidence: CE/FCC/RoHS Certification / 18-Month hassle-free warranty / great customer service leave you no worries after purchase.