---
title: "Discussion on \"Cron + pmset : A Cron-Based Battery Low Alerts on macOS\" | Hashnode"
description: "Discussion on \"Cron + pmset : A Cron-Based Battery Low Alerts on macOS\". Set up a cron-based Bash script on macOS using pmset to trigger loud, unmissable low battery alerts at 20%. Works even with Do Not Disturb enabled."
url: "https://hashnode.com/posts/low-battery-alert-in-mac/694feb9a1cc92fafe853fe63"
---

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# [Cron + pmset : A Cron-Based Battery Low Alerts on macOS](https://codenio.hashnode.dev/low-battery-alert-in-mac?utm_source=hashnode&utm_medium=feed)

Set up a cron-based Bash script on macOS using pmset to trigger loud, unmissable low battery alerts at 20%. Works even with Do Not Disturb enabled.

Dec 27, 2025 · 3 min read · codenio.hashnode.dev  
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-   [#terminal](https://hashnode.com/tag/terminal)
-   [#battery](https://hashnode.com/tag/battery)
-   [#macos](https://hashnode.com/tag/macos)
-   [#crontab](https://hashnode.com/tag/crontab)
-   [#bash](https://hashnode.com/tag/bash)

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