Review on E EGOWAY Replacement Battery For MacBook Air 13 Inch (Mid 2012-2017) - A1466/A1369 - High-Quality Battery With Compatibility For Multiple Models - Trustworthy EMC Compatibility by Mark Hobbs

For $40, this battery is less than half price from MacSales or Ifixit. The capacity is >100% (8128mAh compared to 8000mAh at 100%); the battery life is better than OEM and lasts pretty much the entire day. The manufacture date is about 1.2 years old but the battery seems to be in good condition and the drain rate seems more than acceptable. Hopefully this will last at least a few years, and for the price, that would be well worth it to breathe new life in an old dog.Highly recommended.