Puredick&reg; A1322 10.95V Replacement Laptop Battery for Apple MacBook Pro 13 inch A1278 [2009 2010 2011 Version] Battery 020-6547-A 661-5229 661-5557 - 12 Months Warranty, Li-Polymer (5800mah/63.5wh) A1322 5800mAh 63.5Wh 10.95V 6-cell Li-Polymer Macbook battery. Same Battery life with brand new original Apple battery. In reality, this will depend on the amount of electricity required by the device and how you use it Compatible part numbers: 661-5229, 661-5557, 020-6547-A, 020-6765-A, A1322, A1278 (2009 2010 Early 2011 Mid 2012 version) Fit model: Macbook Pro MB990LL/A MB991LL/A MC374LL/A MC375LL/A MC700LL/A MD101LL/A MD102LL/A MD313LL/A /MD314LL/A Grade A cells ensure fast charges and low power consumption. Built-in circuit protection ensures both safety and stability. Up to 500 recharge cycles over the life of the battery, CE-/FCC-/RoHS certificated for safety What you get: 1 x Puredick A1322 laptop battery, 2 x screwdrivers, 1 x a set of screws. 30 days worry-free money back with 12 months limited warranty. If you have any questions, please feel free to contact us directly