How does it compare to the "Early 2015" MacBook models replaced and the MacBook Air? What is the "real-world" battery life of the "Mid-2017" 12-Inch Retina Display MacBook? Compared to its predecessor, is it really improved as much as Apple claims? The convenient and energy-efficient in-wall solution for powering and charging USB devices. Colors Available: White, Black, Ivory, and Light Almond. from $29.99. NewerTech NuPower Battery for 11-inch MacBook Air 2011-2015 give you high-performance, quality, and longevity to your battery upgrade. I have a macbook air early 2015, 1.6Ghz core i5. It’s performance was excellent until catalina. Updated to catalina and it made my mac dead slow. I ran etre check, report showed performance is poor. So I clean installed macOS Sierra 10.12.6 (Installed after factory reset). I ran etrecheck again the report shows performance is poor. Options. Here’s the part you’ll need MacBook Air 13" (Mid 2013-2017) I/O Board and here’s the guide you’ll need to follow: MacBook Air 13" Early 2015 I/O Board Replacement. I would also replace the cable as well MacBook Air 13" Early 2015 I/O Board Cable Replacement. Product. $79.99. 2015 MacBook Lineup : MacBook Base (Model Tested) MacBook High-End: MacBook Max Config. MacBook Air 11" (2015) Dimensions Macbook air battery losing charge fast I have the macbook air early 2015. Up until a year ago, it worked perfectly, but then it started to loose charge when not plugged in, and now it can only hold for about 10 min without being plugged in. You'll see the model (e.g., MacBook Pro 2017) near the top of the window. As long as your model is on this list, you'll be able to update to Monterey: MacBook Pro: Early 2015 and later. MacBook Air: Early 2015 and later. MacBook: Early 2016 and later. iMac Pro: 2017 and later. iMac: Late 2015 and later. Why is Apple MacBook Air (2015) 13" better than Apple MacBook Air (2017) 13.3" Intel Core i5 1.8GHz / 8GB / 128GB? 2h longer battery life? 14h vs 12h R1A3Pt2.