ETpower Laptop A1322 Battery for Apple Macbook Pro 13'' A1278 (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012 Version) +Two Free Screwdrivers (Li-polymer 10.95v 63.5Wh) Battery Type:Li-Polymer;Voltage:10.95V;Capacity 63.5Wh;6 Cell. All battery were tested and proven to match and/or exceed original specifications of products. Brand New Replacement Product, works as Genuine parts. 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.