Check Bluetooth Keyboard Battery Levels in Command Line on Mac OS

Check tutorial of How to Check Bluetooth Keyboard Battery Levels from Command Line on Mac OS X

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Have you ever had to remotely check the battery level of a Bluetooth keyboard connected to a Mac? Or maybe you’re just a heavy Terminal user and wanted to see the current battery life of a wireless keyboard without leaving the command line? You can do that easily through the terminal of a remote or local Mac.

It should be noted that most Mac users are best served by checking the battery level of their connected Bluetooth devices directly from the Bluetooth menu, but advanced users may find this command line approach appealing even if only for specific cases.

How to Find the keyboard battery level on the command line on the Mac

Use the following command syntax to get the battery level of any Bluetooth keyboard connected to a Mac, you may want to copy and paste this as shown to have accurate syntax. As usual with terminal commands, make sure that the entire command string is printed on one line:

ioreg -c AppleBluetoothHIDKeyboard | grep ‘”BatteryPercent” =’

Running the command returns output that looks something like this:

$ ioreg -c AppleBluetoothHIDKeyboard | grep ‘”BatteryPercent” =’ “BatteryPercent” = 12

In this example, the “12” is the percentage remaining in the battery of the Bluetooth devices.

If you feel like it, you can double check the accuracy by looking at the default Bluetooth battery remaining menu item for that device:

Bluetooth battery level seen from the command line in Mac OS X

This works fine for local and remotely connected Macs via SSH, so there are plenty of uses for this command.

Having the string of quotes is necessary to avoid a lot of unnecessary output returned by ioreg. Yes, you could pass the grep and ioreg output through awk to get cleaner results, but we’re trying to keep it simple here. However, if you want to experiment for yourself, you can try with the following ioreg:

ioreg -c AppleBluetoothHIDKeyboard | grep BatteryPercent

Or to get broader battery information:

ioreg -c AppleBluetoothHIDKeyboard | grep Battery

Let us know in the comments if you have an idea or find anything else useful tricks with this command.

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How to Check Bluetooth Keyboard Battery Levels from Command Line on Mac OS X: FAQ

Tutorial Summary: How to Check Bluetooth Keyboard Battery Levels from Command Line on Mac OS X


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What is actual time in which this method complete?


The time to complete the How to Check Bluetooth Keyboard Battery Levels from Command Line on Mac OS X tutorial is 10+ minutes.

What are the supported Device?


Apple

What are the supported Operating system?


mac OS



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