> For the complete documentation index, see [llms.txt](https://docs.g-iot.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.g-iot.io/low-cost-tracker-full-device-guide-book/low-cost-tracker-greater-than-giots-functions/lct-rules/lct-battery-level-alarm-rule.md).

# LCT - Battery Level Alarm Rule

The Battery Level Alarm Rule in LCT devices triggers an alert when the device's battery level falls below a predefined threshold. This rule ensures timely monitoring of battery status, helping to prevent downtime and maintain device functionality.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXe83aoOmyx1f16RN8u7nzb5SUblZpDkPa2XrOOHf8YHrAY6iVO97NJx7QeC9OL-DiKaCmzV0uy5BMxTZwtGvVgR49LJi8aAR8yrMPzvLpdUzE5g4rt2GOkQhkReWaUclLMi7z0z?key=Kl1KyU1gDzenB_F0xjN17rry" alt=""><figcaption><p>LCT Battery Level Alarm Rule</p></figcaption></figure>

## Steps to Set-up Battery Level Alarm Rule:

1. **Activate the Rule:**
   * Toggle the switch at the top of the configuration panel to enable the rule.
2. **Set Alarm Level:**
   * Select the alarm severity from the available options:
     * Critical
     * Major
     * Minor
     * Warning
3. **Define the Alarm Trigger Battery Threshold:**
   * Use the slider to set the battery percentage that will trigger the alarm.
4. **Define the Notification Type:**
   * **None:** The alarm will only be visible on the platform without sending a notification.
   * **Email:** Enter up to 5 email addresses to receive the notification when the alarm is triggered.
5. **Save the Configuration:**
   * Click Save to apply and activate the Battery Level Alarm Rule.


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