If your MacBook's battery seems to drain faster than it should, there are several things you can check and adjust. Here's a guide organized by cause, starting with the easiest checks.
Table of Contents
- Start by Checking the Basics
- Adjust Your Settings
- App and macOS Fixes
- If Nothing Else Works
- Summary: Recommended Order
Start by Checking the Basics
Check Battery Usage
Before making any changes, find out what's consuming the most power. Click the battery icon in the menu bar to see which apps are using significant energy. For more detail, open Activity Monitor and check the "Energy" tab, which ranks processes by energy impact.
Check Battery Health (Degradation)
MacBook batteries degrade over time and hold less charge. Go to "System Settings" → "Battery" → "Battery Health" to check your battery's condition. If it shows "Service Recommended," the battery has degraded significantly and may need to be replaced. In this case, no software fix will fully resolve the drain.
Adjust Your Settings
Lower Screen Brightness
The display is the biggest battery consumer on any laptop. Lower the brightness manually or let macOS adjust it automatically. Go to "System Settings" → "Displays" and make sure "Automatically adjust brightness" is enabled.
Shorten the Display Sleep Timer
If the screen stays on for too long when you step away, it wastes battery. Go to "System Settings" → "Lock Screen" and set "Turn display off on battery when inactive" to a shorter interval (e.g., 2 or 5 minutes).
Review Always-On Connectivity Settings
Bluetooth, AirDrop, and Location Services consume battery when left on. Disable any you're not actively using. You can toggle Bluetooth and AirDrop from Control Center, and manage Location Services under "System Settings" → "Privacy & Security" → "Location Services."
Use Dark Mode
On MacBooks with Retina displays, Dark Mode can slightly reduce power consumption. While the effect is less dramatic than on OLED-equipped iPhones, it still helps over a full day of use. Go to "System Settings" → "Appearance" and select "Dark."
App and macOS Fixes
Check Activity Monitor for Power-Hungry Apps
Open Activity Monitor → "Energy" tab to see which apps have the highest energy impact. Apps that consistently appear at the top are your biggest battery drains. Consider closing or replacing them with more efficient alternatives.
Reduce Browser Tabs and Extensions
Web browsers — especially Chrome — can consume significant energy when many tabs and extensions are active. Close tabs you're not using, disable unnecessary extensions, and consider using Safari, which is optimized for energy efficiency on macOS.
Check for macOS and App Updates
Updates often include battery life optimizations. Check "System Settings" → "General" → "Software Update" for macOS updates, and update your apps through the App Store or their built-in update mechanisms.
Reduce Login Items
Apps that launch at login run continuously in the background, consuming battery. Go to "System Settings" → "General" → "Login Items" and remove anything that doesn't need to start automatically.
If Nothing Else Works
Consider Replacing the Battery
If your battery health shows "Service Recommended" and drain is severe, a battery replacement is the most effective fix. Apple offers battery replacement through Apple Stores and Apple Authorized Service Providers.
Contact Apple Support
If the problem persists after trying everything, contact Apple Support. They can run remote diagnostics or direct you to a service center for a hands-on inspection.
Summary: Recommended Order
Here's a summary of the fixes in the order you should try them.
- Check battery usage in the menu bar and Activity Monitor
- Check battery health (degradation)
- Lower screen brightness
- Shorten the display sleep timer
- Review always-on connectivity settings
- Use Dark Mode
- Close power-hungry apps in Activity Monitor
- Reduce browser tabs and extensions
- Check for macOS and app updates
- Reduce login items
- Consider replacing the battery
- Contact Apple Support
In many cases, adjusting display settings and managing power-hungry apps will noticeably improve battery life. If battery health is poor, a replacement is the most reliable fix.
