Maximum capacity MacBook Air M1. Thread ‎Better Battery 2 shows information and stats of your MacBook battery in the menu bar. Sep 13, 2015 2,255 2,269 San Amazon.com: POWERWOO A1502 A1582 Battery for MacBook Pro 13 inch Retina (Early 2015, Mid 2014, Late 2013) A1493 Battery Replacement - High Performance [11.42V/ 74.9Wh] : Electronics Viewing battery health on Mac is really easy and there is no need to download an app: Step 1 - Go to System Preferences > Battery. Step 2 - Click on Battery. Step 3 - Click on Battery Health. Here you will find its maximum capacity, if it is at 100%, your Mac is brand new, if it is around 90%, your Mac is in the middle of its lifespan, and as The pitch for the 15in MacBook Air couldn’t be much simpler: it’s the MacBook Air, but bigger. Apple has changed as little as possible about the laptop’s innards, instead simply expanding the 13in model outwards to fit in a bigger screen and some extra battery capacity. 13.6-inch or 15.3-inch. Liquid Retina display 19. Apple M2 chip. 8GB to 24GB. unified memory. 256GB to. 2TB storage 20. Up to. 18 hours battery life 1. Apple typically runs an official battery diagnostic for customers requesting replacement, and I believe 80% or lower battery health is required for Apple to perform their battery replacement service. Heck - mine was delivered at about 94% battery health new in the box. I think it was made about 8 months before I bought it. Find out how to determine the number of cycles your Mac laptop’s battery has. its original charge capacity at its 2015) MacBook Air (13-inch, Early 2014) To view your battery's health report, click the battery icon in the menu bar, then select Battery Preferences. Next, make sure the Battery tab on the left side of the window is selected then click iv9kG7p.