The 16-inch MacBook Pro with M1 Pro or M1 Max chips offers up to 21 hours of Apple TV movie playback and up to 14 hours of wireless web surfing through its 100-watt-hour lithium-polymer battery.Kill Thirsty Apps. Turn Down Your Screen Brightness. Enable Low Power Mode. Disconnect Unnecessary Accessories. Identify Apps That Are Preventing Sleep. Check Wake Requests While Your Mac Sleeps. Disable Power Nap (Intel Only) Reset System Management Controller (Intel Chips Only) Check Your Battery Health Too. Shut down your Mac. Unplug the power cable from your Mac. For 10 seconds, press and hold at the same time the shift control option keys (on the left side of the built-in keyboard) and the power button. After 10 seconds let go of all keys and the power button. Plug in the power cable. Turn your Mac back on with the power button. Apple reportedly conducted its own battery testing using a preproduction version of the 16‑inch MacBook Pro armed with an Apple M3 Pro, a 12-core CPU, an 18-core GPU, 36GB of RAM, and 512GB SSD. MacBook Pro 15" Retina Display Mid 2015 2.2 GHz (Turbo Boost up to 3.4 GHz), 2.5 GHz (Turbo Boost up to 3.7 GHz), or 2.8 GHz (Turbo Boost up to 4.0 GHz) quad-core Intel Core i7 processor with 6 MB shared L3 cache.
A charge cycle happens when you use all of the battery’s power—but that doesn’t necessarily mean in a single charge. Mid 2015) MacBook Pro (Retina, 15-inch