I'm in Canada and it would cost me $169 + taxes for a battery replacement from Apple. I also have an early 2015 Air and used a battery from Egoway on Amazon. It cost less than half the price of an Apple replacement and it has worked well for me. I didn't want to spend a lot on a MacBook that's almost 6 years old. B. Press the power button to turn on your Mac, then immediately press and hold the D key on your keyboard as your Mac starts up. Release the D key when you see a progress bar or you're asked to Click the Apple icon while holding the Option key. Click System Information. Select Power on the left side and review your battery health. Another way to view the System Report is by doing this Scroll to the very bottom and click System Report…. On the left sidebar, click Power. You’ll find your battery cycle count under Health Information: Here’s how the process looks: On the left In macOS Catalina and earlier, you can Option-click the battery icon in the menu bar, and get a little more insight about the state of the battery. In macOS Big Sur, there’s a lot more detail To check the current health level of the battery on a MacBook Air or Pro notebook, click on the Apple menu icon and then on System Preferences. From here, click on Battery and then on Battery once more. This process is for MacBook models running on macOS Big Sur or newer. For those with a MacBook running on macOS Catalina or an earlier version TIgw1. In addition to third-party software, MacBooks have built-in battery testing tools. To check battery status on a MacBook in macOS Ventura: Select System Preferences from the Apple menu. Scroll down to the "Battery" icon and click on it. A window with information about the battery will open on the right. Opposite "Battery Health" should be the Enter powercfg /batteryreport /output "C:\battery-report.html" into the window and press Enter to run the command. PowerShell will then tell you the name of the generated battery life report HTML You can also hold down the Alt/Option key and click the battery charge icon at the top right of your desktop. At the top of the menu you’ll see one of four status messages: Normal, Replace Soon Method 1- Analyze Screen on Time with Usage History. Method 2- Use Battery Health 2 App to Check the Time On the Battery. Method 3- Download the Better Battery 2 App. Method 4- View Time Since Boot Using System Information. Method 5- Check App Battery Usage with Screen Time. Wrapping Up. So rule of thumb I follow is, use the device on battery power when possible and if the battery gets below 30-40%, charge it to ~100% and unplug. If you really want to test and have a reference point then you can charge the unit to 100% restart the computer, then run the command “caffeinate -d”, this will prevent the computer from sleeping.

how to check battery health on macbook air 2015