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Trigger: Battery Level (view source)

Revision as of 21:40, 5 January 2026

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<pre style="background-color: #EEEEEE; color: Black; border-radius: 10px; padding: 10px;">
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<pre class="header-style">The Battery Level trigger fires when the battery level increases or decreases to a selected level, or on any battery level change. This is useful for automating power-saving features or notifications based on battery status.</pre>
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When the battery % increases or decreases, this trigger will fire. The trigger can be configured to trigger on any change or when the battery % increases or decreases to a certain level.</pre>
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'''HINT:'''<pre style="background-color: #EEEEEE; color: Black; border-radius: 10px; padding: 10px;">
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Don't forget that a trigger fires once at the exact time the event occurs. So, in the above examples, it will only fire when battery level goes down from 16% to 15% or up from 14% to 15% (respectively from 31% to 30% or from 29% to 30%)
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</pre>
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'''Example Usage:'''<br/>
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If the battery level decreases to 20% enable battery saving mode (this action requires adb hack or root)
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</pre>
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<pre style="background-color: red; color: white; border-radius: 10px; padding: 10px;">
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Triggers
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Battery (<=20%)
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''' Options '''
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</pre><br>
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<pre style="background-color: #1665B0; color: white; border-radius: 10px; padding: 10px;">
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Actions
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Battery saver ON
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* '''Increase/Decrease''' - Trigger fires when battery reaches a specific threshold
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</pre><br>
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** '''Increases to''' - Fires when battery level rises to or above the specified percentage
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<pre style="background-color: green; color: white; border-radius: 10px; padding: 10px;">
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** '''Decreases to''' - Fires when battery level falls to or below the specified percentage
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Constrains
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* '''Any Change''' - Trigger fires whenever the battery level changes
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''' Configuration '''
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</pre><br>
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When selecting "Increase/Decrease" mode, you can specify the threshold:
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'''Example Usage:''' If the battery level increases to 30% disable battery saving mode (this action requires adb hack or root)<br/>
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<pre style="background-color: red; color: white; border-radius: 10px; padding: 10px;">
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Triggers
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Battery (>=30%)
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* Use the slider to set a battery percentage from 0% to 100% (default is 50%)
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</pre><br>
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* Alternatively, select a variable to dynamically determine the threshold level
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<pre style="background-color: #1665B0; color: white; border-radius: 10px; padding: 10px;">
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* Choose whether to trigger on increases or decreases
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Actions
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Battery saver OFF
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''' Variable Support '''
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</pre><br>
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<pre style="background-color: green; color: white; border-radius: 10px; padding: 10px;">
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Constrains
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You can use an integer variable to specify the battery threshold instead of a fixed value. This allows for dynamic thresholds that can be changed at runtime.
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</pre><br>
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''' Examples '''
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''Example 1: Low Battery Warning''
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  <pre class="trigger-style">Triggers
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Battery <= 15%</pre>
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  <pre class="action-style">Actions
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Enable Power Saving Mode
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Notification: Battery is low - 15% remaining</pre>
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''Example 2: Resume Normal Mode When Charged''
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  <pre class="trigger-style">Triggers
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Battery >= 80%</pre>
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  <pre class="action-style">Actions
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Disable Power Saving Mode
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Enable Wi-Fi
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Enable Sync</pre>
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  <pre class="constraint-style">Constraints
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Power Connected</pre>
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''' Notes '''
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* The trigger only fires once when the level transitions to the new state, not on every subsequent level change where the condition remains true
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* For example, if you set "decreases to 20%", the trigger fires when battery drops to 20%, but not again at 19%, 18%, etc. until the battery first rises above 20% again
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* The trigger listens for the system broadcast ACTION_BATTERY_CHANGED
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* Some devices may not report every 1% change but may report in intervals such as 5% or 10%
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* The "Any Change" option is useful for logging or monitoring battery drain patterns
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''' See Also '''
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* [[Constraint:_Battery_Level|Battery Level Constraint]]
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* [[Trigger:_Battery_Temperature|Battery Temperature Trigger]]
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