Macbook Air 2024 15 Inch Battery Life. M3 macbook air battery life. At surface level, there isn’t a massive amount changed about the m3 air.

Both macbook air with m2 and macbook air with m3 provide up to 18 hours of battery life, so you can leave the power adapter at home. And the 15” macbook air is $1,200 less than the 16”.