Egoway New updated version High Performance Laptop Battery for Apple MacBook Pro 17" Precision Aluminum Unibody (2009 Version), A1309 A1297 (Early 2009 Mid-2009 Mid-2010) MC226/A MC226CH/A MC226J/A MC226LL/A MC226TA/A MC226ZP/A + Two Free Screwdrivers [Li-Polymer 7.2V 12000mAh] Battery Type: Li-Polymer;Voltage: 7.2V; Capacity: 12000mAh; 9 Cell. 100% New from Manufacturer, High Performance 12000mAh A1309 A1297 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 E-mail customer service support.