Skyvast 11.21V 74Wh New Laptop Battery for Apple Macbook Pro Retina 13" A1437 A1425 MD212LL/A ME662LL/A, MacBook Pro "Core i5" / "Core i7" Retina 2012, 2013 Battery type: Li-ion ; Capacity: 6600mAh / 74Wh ; Voltage: 11.21V. 100% New from Manufacturer. 500 recharge cycles. Meticulous packed and shipped with multiple layers of protection. Warranty: 12 Months warranty, 30 days money return guarantee. For detailed models on the bottom of the page.