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Battery life varies by use and configuration. The Apple TV app movie playback test measures battery life by playing back HD 1080p content with display brightness set to 8 clicks from bottom. Testing conducted by Apple in September 2021 using preproduction 14-inch MacBook Pro systems with Apple M1 Pro, 8-core CPU, 14-core GPU, 16GB of RAM, and 512GB SSD.The wireless web test measures battery life by wirelessly browsing 25 popular websites with display brightness set to 8 clicks from bottom.
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Testing conducted by Apple in May 2022 using preproduction 13‑inch MacBook Pro systems with Apple M2, 8‑core CPU, 10‑core GPU, 8GB of RAM, and 256GB SSD.1TB = 1 trillion bytes actual formatted capacity less.
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