Fix macOS "Bluetooth Battery" Not Showing

Does your Mac refuse to show the battery percentage for your Magic Mouse, Keyboard, or AirPods?

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The Symptom

The Bluetooth menu shows "Connected" but the battery level is either missing or stuck at a specific percentage (e.g., 0% or 100%).

The Fix

1. Force a HID Update

In Terminal:

sudo pkill -f hidd

This restarts the Human Interface Device daemon, which handles battery reporting.

1. Clear the Bluetooth Property List

Run:

rm ~/Library/Preferences/com.apple.Bluetooth.plist
killall -9 bluetoothd

1. Power Cycle the Device

Turn the Bluetooth device OFF, wait 10 seconds, and turn it back ON. For AirPods, put them in the case and close the lid for 30 seconds.

Pro Tip

If the percentage is "stuck," try plugging the device in for 10 seconds. The "charging" state often forces macOS to re-poll the actual battery voltage.