SIKER A1382 battery (Only for EARLY 2011 LATE 2011 AND MID 2012 VERSION)Macbook Pro 15" i7 MC721 MC723 MB985, fit 661-5476 661-5211 [Li-Polymer 6-cell 77.5WH] Battery Type: 6 Cells Li-ion Capacity: 10.95V 77.5WH Color: Black 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Worry-free, products are passed CE-/FCC-/RoHS-Certified for safety. Package included:1* A1382 battery + 4* Screwdrivers Features 100% Brand Replacement New battery , with 1 year warranty