Powernotch: Battery Monitor

Every battery.
One glance.

Your Mac, keyboard, mouse and AirPods in one side panel that stays out of your way until you need it.

Free download · 7-day trial of every Pro feature · macOS 14 Sonoma or later · Apple silicon & Intel

Powernotch side panel on two tilted Mac screens, showing battery rings for the Mac, keyboard, mouse and AirPods
How it works

A panel on the side, not in your way.

A black panel with rounded corners at the left or right edge of any screen. It works on every Mac, with or without a notch.

1

Hides until you need it

A thin tab at the edge of the screen. Touch it with your mouse and the panel slides out. After a delay you choose, from 0.2 to 3 seconds, it slides back. Or keep it open all the time.

2

One ring per battery

Each device gets a ring with its icon and percentage. Green above 50%, yellow down to 50%, red at 20% or lower. A bolt appears while charging.

3

Hover for the details Pro

Move over a ring for a card with the name, percentage, charging status, remaining time for your Mac and when the value was last read. AirPods show left, right and case separately.

Hovering the AirPods ring shows a detail card with the left and right earbud levels
Supported batteries

Everything macOS knows the level of.

MacBook

Air and Pro. Charging, full, time remaining.

Magic Keyboard

Updated the moment macOS does.

Magic Mouse

Updated the moment macOS does.

Magic Trackpad

Updated the moment macOS does.

AirPods

All generations, Pro and Max. Left, right and case.

Beats & headphones

Bluetooth headphones with a reported level.

Certain controllers

PlayStation and Xbox controllers with a reported level.

Other keyboards & mice

Logitech and others, when macOS reports a level.

AirPods in their case show as one ring for the case. Take them out and left and right get their own rings, or one combined ring if you prefer. Disconnected accessories stay visible, dimmed, with the last known level.

Free vs Pro

Try everything for 7 days.

Then keep the Mac battery for free, or unlock every accessory with Powernotch Pro. One purchase, no subscription, no account.

FeatureFreePro
Side panel at the screen edgeLeft or right, vertical position, three ring sizes, percentages on or off
Auto-hide until the mouse touches the edge
Mac battery in the panel
Show over full-screen apps
Menu bar icon reflecting the lowest batteryOptionally with the percentage of the lowest battery or of the Mac
Full device list in the menu barEvery device with icon and percentage, plus show, peek, refresh, settings, quit
Launch at login, no Dock icon
Accessories in the panelKeyboard, mouse, trackpad, AirPods, headphones, controllers, each with a ring
Detail card on hoverName, level, status, last update; AirPods left, right and case
Low-battery notificationsPer device, threshold from 5% to 50%, one alert per discharge
Device optionsHide devices, combine AirPods into one ring, show disconnected devices

Powernotch Pro

Every accessory in the panel, the detail card, notifications and device options. Yours after a single purchase in the app.

€ 5,99one-time*
  • 7-day trial of everything, no sign-up, no card
  • No subscription, no yearly fee, no account
  • Use it on your other Macs with the same Apple Account via Restore Purchase
  • After the trial the free version keeps working

* Price may vary by country. The purchase happens inside the app, through the Mac App Store.

Light and private

Nothing leaves your Mac.

Light

Driven by system events, no constant polling. 0% CPU when idle, around 1 MB on disk, vector drawing only.

Private

No internet connection, no account, no analytics, no data that leaves the Mac. The only permission macOS asks for is Bluetooth, at first launch. Read the privacy policy.

Safe

Runs in the App Sandbox and is reviewed by Apple for the Mac App Store. Installs and updates through the App Store only.

Available in 34 languages, including English, Dutch, German, French, Spanish, Italian, Portuguese, Japanese, Korean and Chinese. Requires macOS 14 Sonoma or later on Apple silicon or Intel.

FAQ

Questions, answered.

Do I need a MacBook with a notch?

No. The panel sits at the side of any screen, including an iMac, a Mac mini or an external display. The name refers to the shape of the panel, not the hardware.

Which devices do I see?

Your Mac, Magic Keyboard, Magic Mouse and Magic Trackpad, AirPods (left, right and case), Beats and other headphones, and certain controllers for which macOS reports a battery level. iPhone, iPad and Apple Watch are not shown: macOS does not share their batteries with apps.

My AirPods are in the case. Why do I see one ring?

While the pods sit in the case, Powernotch shows the case. Take them out and left and right get their own rings. Hover the ring to see all three levels.

How often is it updated?

Mac, keyboard, mouse and trackpad immediately. AirPods when they connect, when the panel opens and on an interval you set between 1 and 15 minutes.

What does it cost?

Downloading is free. After a 7-day trial the Mac battery stays free; Powernotch Pro is a one-time purchase inside the app. No subscription.

Can I use Pro on my second Mac?

Yes, with the same Apple Account. Choose "Restore Purchase" in the Pro window.

Does Powernotch collect data?

No. The app does not connect to the internet and has no account. Read the privacy policy.

Why does the app ask for Bluetooth?

To read the battery of your wireless accessories. It is the only permission Powernotch asks for.

How do I quit the app?

From the menu bar icon, choose "Quit Powernotch". Closing the settings window does not quit the app; it keeps running in the background.

I have a question or a problem.

Email [email protected]. Mention your macOS version and which device it concerns.

Questions about Powernotch?

Mail [email protected]. Include your macOS version and the device concerned.

Email support
Powernotch app icon

Coming soon to the Mac App Store

Powernotch is on its way to the Mac App Store. Want a heads-up when it goes live? Send a quick email and we'll let you know.

Free download 7-day Pro trial macOS 14 Sonoma or later Apple silicon & Intel