Kastar New Laptop Battery for Apple A1309 A1297 (only for Early-2009 Mid-2009 Mid-2010 Version) MacBook Pro 17-Inch Precision Aluminum Unibody with 18 Months Warranty [Li-Polymer 7.4V 95Wh/13000mAh] Kastar Brand Replacement Lithium-ion (Li-ion) Battery use High Quality Original Janpan Li-ion Cells; Long Lasting and Manufacture Price. Kastar Battery 100% decoded and 100% Compatible with Original Dell Battery, up to 500 recharge cycles over the life of the battery. Long Lasting for longer battery life and Cools the battery by forcing cool air through the battery's built-in air vents. Use Integrated Japanese microchip which can control current, voltage & temperature to maximize battery life. Include 30-Day Money Back and 18-Month Manufacturer Warranty. (Need more Quantity and More promotion please search Kastar other listings on Amazon)