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Posted on • Originally published at appish.app

macOS Sequoia Battery Drain? 8 Proven Fixes That Actually Work

#macos #productivity #mac #tutorial

Why macOS Sequoia Is Draining Your Battery

macOS Sequoia introduced several new features like iPhone Mirroring, window tiling, and enhanced Safari profiles — but many users report significantly worse battery life after upgrading. If your MacBook's battery is draining faster than before, you're not alone.

The good news? Most Sequoia battery drain issues can be fixed with the right troubleshooting steps.

8 Fixes for macOS Sequoia Battery Drain

1. Check Activity Monitor for Resource-Heavy Apps

Open Activity Monitor (Applications → Utilities) and click the Energy tab. Look for apps consuming high CPU or using "Preventing Sleep" — these are your battery killers.

Common culprits:

  • Chrome with too many tabs
  • Video conferencing apps running in background
  • Poorly optimised third-party apps
  • Background app refresh processes

Quit unnecessary apps or restart problematic ones. If you need better control over multiple apps, tools like Soundish can help manage per-app audio so you're not running multiple audio-heavy apps simultaneously.

2. Reset SMC (System Management Controller)

The SMC controls battery management. A reset often fixes post-update battery issues:

For Apple Silicon Macs:

  1. Shut down your Mac completely
  2. Wait 30 seconds
  3. Press and hold the power button for 10 seconds
  4. Release and wait 5 seconds, then restart

For Intel Macs:

  1. Shut down and remove power adapter
  2. Hold Shift + Control + Option + Power for 10 seconds
  3. Release all keys and reconnect power
  4. Turn on your Mac

3. Disable iPhone Mirroring When Not Needed

Sequoia's iPhone Mirroring is convenient but battery-hungry. When you're not actively using it:

  1. Go to System Settings → Desktop & Dock
  2. Scroll to "iPhone widgets on Desktop"
  3. Turn off "Show on Desktop"
  4. Close iPhone Mirroring app when not in use

4. Optimise Display Settings

Sequoia's enhanced graphics can drain battery faster:

  1. System Settings → Displays
  2. Reduce brightness (or enable auto-brightness)
  3. Set refresh rate to 60Hz instead of ProMotion (if available)
  4. Turn off "True Tone" if you don't need it

5. Check Background App Refresh

Sequoia expanded background refresh capabilities:

  1. System Settings → General → Login Items & Extensions
  2. Review "Allow in Background" apps
  3. Disable unnecessary background apps
  4. Check "Open at Login" and remove apps you don't need immediately

6. Reset NVRAM/PRAM

This can fix power management issues after major updates:

  1. Shut down your Mac
  2. Turn it on and immediately hold Option + Command + P + R
  3. Keep holding for 20 seconds (or until you hear startup sound twice)
  4. Release keys and let Mac boot normally

7. Update Apps and Check for Sequoia Patches

Some apps aren't optimised for Sequoia yet:

  1. Check App Store for app updates
  2. Go to System Settings → General → Software Update
  3. Install any available Sequoia point updates
  4. Restart after updates complete

8. Clean Install (Last Resort)

If nothing else works, a clean Sequoia installation often resolves persistent battery drain:

  1. Back up your data with Time Machine
  2. Create a Sequoia installer on USB drive
  3. Erase your drive and clean install Sequoia
  4. Restore only essential data and apps

Monitor Your Fixes

After applying these fixes, monitor your battery:

  • Check Activity Monitor's Energy tab regularly
  • Note battery percentage after specific usage periods
  • Use built-in Battery settings to track usage patterns
  • Give changes 24-48 hours to show improvement

When Sequoia Features Work Against You

Sequoia's new window tiling and enhanced multitasking are great for productivity but can impact battery life. If you're running multiple windows across external monitors, tools like Layoutish can help you save and restore efficient window layouts quickly — reducing the time your Mac spends with multiple resource-heavy apps open.

The Bottom Line

macOS Sequoia battery drain is usually fixable with the right combination of settings adjustments and system resets. Start with Activity Monitor to identify problem apps, then work through the SMC reset and display optimisation steps.

Most users see significant improvement after steps 1-4. If your battery drain persists after trying all fixes, contact Apple Support — you might have a hardware issue that coincided with your Sequoia upgrade.

Remember: major macOS updates often need a few point releases to iron out battery optimisation issues. Keep your system updated as Apple releases Sequoia patches.

Originally published at appish.app

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