Low Power mode

Apple's Low Power Mode for Mac, introduced in macOS 12 Monterey, can stretch the 16-inch M2 MacBook Pro's battery all the way up to a full day

If you need some extra time between charges, you can turn on the Low Power Mode in watchOS 9 to save battery life on your Apple Watch.

Apple is already looking to add a “Pro Mode” to its MacBook line.

9to5Mac has posted a new workaround that works on iOS 9.3.1.

Matt Birchler let Low Power Mode run full time on his iPhone 6 Plus--here are his results.

First Geekbench 3 tests of iOS 9 Low Power mode on iPhone 6 Plus reveal CPU clock speed reduction of about 40%.