Why Does My Macbook Battery Drain So Fast?
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If your MacBook battery starts draining way too fast, use this video tutorial to deal with the issue immediately!
#1 Manage Power Adapter preferences
Go to System Preferences – Lock Screen – Start Screen Saver when inactive – Set the time.
Go to Battery. In the “Energy Mode” section, switch “On Battery” to High Power while “On Power Adapter” to Low Power.
#2. Check Battery Health
I use one-stop-shop software CleanMyMac X to keep my Mac at its highest performance and track my battery health. Download the app for free here:
Go to the CleanMyMac X dashboard in the top right corner, then to the Battery section, and check battery health, charge cycles, or temperature. Or open the Apple menu – About this Mac – System Report. Then scroll down for Power specifications.
#3 Unplug USB devices
#4 Reduce screen brightness
In your Preferences, look up Displays…