Fingerprint reader Battery :Li-polymer 5000 mAh (Smart Battery).

Our thinnest, lightest notebook, completely transformed by the Apple M1 chip. CPU speeds up to 3.5x faster. GPU speeds up to 5x faster. Our most advanced Neural Engine for up to 9x faster machine learning. The longest battery life ever in a MacBook Air. And a silent, finless design. This much power has never been this ready to go.