FAQ's

Please select the FAQ for issues with details.

Please check the below details

  • With Android Feature to reduce app size Google delivers apk based each device configuration.
  • Don't install app from other devices as configuration will be different and app will not work.
  • Always download app from Google Play Store.

Please follow below steps from App Settings

  • Open App Settings and Battery Alert section
  • Enable Notification Type : Voice and disable other
  • Select Voice Language for Voice Alert
  • Click on "Validate Setup"
  • You will heard Voice for alert.
  • Follow the instructions if any issues

  • Note : Text-To-Speech may require Internet connection to download language data if missing on your device.
  • Please turn on wifi/internet connection before validate.
  • We have observed Android 8 mobile users has issues without internet connectivity.
  • Google Text-To-Speech has by default WI-FI enabled for download Voice data.
  • Please disable Use WI-FI only from Google TTS (Text-To-Speech) settings if don't have.

  • From App Version 2.00.23 above provides links to download voice language data to support voice alert without Internet.
  • Open App Settings and "Other" section
  • Click the link to download data : "Click here to download Voice Language Data"
  • Select Voice Language and download data
  • Click on "Validate Setup"
  • Follow the instructions if any issues

Please follow below steps from App Settings

  • Open App Settings and Battery Alert section
  • Enable Notification Type : Alarm and disable other
  • Select Voice Language for Voice Alert
  • Click on Validate Setup
  • You will heard selected Alarm ringtone.
  • Follow the instructions if any issues

Please follow below steps from App Settings

  • Open App Settings and Battery Alert section
  • Disable both Notification Type : Voice and Alarm
  • Select Voice Language for Voice Alert
  • Click on Validate Setup
  • You will see only notification in status bar
  • Follow the instructions if any issues
  • Voice alert uses internally Google-Text-Speech library app.
  • So, if it's not working please check the below Google App on your mobile device.
  • Install Google Text-To-Speech
  • Note : Text-To-Speech may require Internet connection to download language data if missing on your device.
  • Please turn on wifi/internet connection before validate
  • We have observed Android 8 mobile users has issues without internet connectivity
  • Samsung mobile can use Google-Text-To-Speech if issue with default samsung voice engine.
  • Setting -> Language input -> Text to speech -> Google Text-to-speech

Once this app has installed please follow below steps to validate setup for selected language.
  • Open App Settings
  • Click on Validate Setup
  • Follow the instructions

  • From App Version 2.00.23 above provides links to download voice language data to support voice alert without Internet.
  • Open App Settings and "Other" section
  • Click the link to download data : "Click here to download Voice Language Data"
  • Select Voice Language and donwload data
  • Click on "Validate Setup"
  • Follow the instructions if any issues

Alarm notification will not work if you haven't selected proper ringtone.

  • Open App Settings and Battery Alert section
  • Disable the Notification Type : Voice
  • Enable Notification Type : Alarm
  • Click on "Custom Alarm Ringtone"
  • If Mobile has ringtones and not using external storage ringtones then don't give permission for external storage.
  • If you mobile has ringtones, please select the longer time playing ringtone.

Once this setup completes please validate setup


  • Collapse Battery Alert Section
  • Click on Validate Setup
  • Follow the instructions
  • Open App Setting and Battery Alert section
  • Select "Voice Language"
  • Collapse Battery Alert Section
  • Click on Validate Setup
  • Follow the instructions
  • Currently we are not supporting to hide app icon from status bar.
  • Please send the mail to cool.apps.email@gmail.com for new language.
  • Will check language support for Voice alert and App.
  • If you want to contribute for your language translation also please send mail. Your help will appreciated.
  • Open App Setting and Battery Alert section
  • Select Charging Battery Alert %
  • Setup the required level for charge alert (e.g 80% or 90%)
  • Open App Setting and Battery Alert section
  • Enable Low Battery Alert %
  • Setup the required level low battery alert upto 40% (e.g 10% or 30%)

  • To repeat low battery at every 5%. Please enable below options
  • "Repeat Low Battery Alert at every 5%"
  • Open the App and open Charts
  • Select the Temperature chart
  • Check the Temperature from historical chart.
  • Open App Setting and Temperature Alert section
  • Enable the Temperature alert
  • Please set the average temperature from 87℉ to 90℉ based on your historical max Temperature or from Battery stats screen.
  • The temperature required for the battery should be range between 20°C / 68℉ to 30°C / 86℉.
  • NOTICE FOR XIAOMI, OPPO USERS: In the security settings given by Xiaomi & Oppo default, please include the app for auto start.
  • In some phones, you need to turn on auto start option in background run setting.
  • Please check the FAQ 17 for more details.
  • Please keep your mobile on silent
  • This app will alert Vibration sound and notification for charge alert.
Also Enable below option
  • Open the App Settings
  • Select the Battery Alert section
  • Enable the Vibrate on Alert
  • As if you just installed App and will not have enough data to show in chart.
  • Please try after 3-5 days.
  • Please make sure that Notification running with status "Battery Health : Good"
  • If notification not running then app will not work.
  • Please give the permission for app to show notification if blocked from Settings.
  • Please exclude this app from any task killer programs.
  • If still has issue please send the send the mail to cool.apps.email@gmail.com
  • As per the Android 8.0 has limits for running app in background and will kill the app after some time.
  • Give the Permission to start app on reboot and remove the Background processing restriction.
    • Security -> Manage Apps -> Battery Alert -> Permissions -> Autostart -> Enable option
    • Security -> Manage Apps -> Battery Alert -> Permissions -> Battery Saver -> Select Option : "No Restriction"
    • Please check the below details
  • Currently we are not supporting to remove ads from Mobile Apps.
  • Open the App Settings
  • Select the Do Not Disturb section
  • Enable the Do not disturb button
  • Once you enabled Do not disturb will completly turn off Notification for Battery.
  • Open the App Settings
  • Select the Do Not Disturb section
  • Disable the Do not disturb button
  • Enable the Schedule button with From Time and To Time
  • When you enable schedule for Do not Disturb then only Notification alert will displayed for Battery from and to time.
  • Open the App Settings
  • Select the Volume and Notification section
  • Enable the Volume Settings to use App Volume
  • Set Voice Volume level upto 100%
  • Voice alert will use Media Volume to adjust volume level

  • From App Version 2.00.23 above Voice alert using Alarm volume for Voice Alert.
  • Note : This is only for Nougat 7.0 API level 24 and above Android versions only
  • Open the App Settings
  • Select the Volume and Notification section
  • Enable the Volume Settings to use App Volume
  • Set Alarm Volume level upto 100%
  • Alarm alert will use Alarm Volume above App Version 2.00.13 and older versons will use Ring Volume to adjust volume level.
  • Long Press on App Icon
  • Select "App info"
  • Expand "Advanced" menu
  • Select "Battery" menu
  • Click on Background restriction and select REMOVE if applied.

Samsung Galaxy Note : Android 9 Pie Settings to allow app run in background.
  • Open Settings
  • Select "Device maintenance"
  • "Unmonitored apps" : Select apps to exclude from being put to sleep by the App power monitor.

OnePlus 6 : Android 9 Pie Settings to allow app run in background.
  • Open "Settings"
  • Select "Advanced"
  • "Recent app management" :
    1. Normal clear: Clear task list and cache without clearing background processes.
    2. Deep clear: Clear background processes, please note that some apps may stop working and you may not receive notifications.
    You may close the running background apps frequently to make your phone perform steadily and faster.
    But if you want some apps to be always connected and reachable, do the followings:
  • "Lock an app" :
    Click recent button to reveal your open apps. Notice that a lock appears on the upper-right corner of the app.
    Click the lock icon to lock or unlock the app.

BLU Vivo Go 6.0 : Android 9 Pie Settings to allow app run in background.
  • Open Settings
  • Select "DuraSpeed"
  • Enable "Battery Alert" to allow app background in running

Youtube : Android Pie Settings Video
  • Open the App Settings
  • Select the Battery Alert section
  • Enable the Ignore Phone Silent/Vibrate profile
  • Open the App Settings
  • Select the Battery Alert section
  • Disable the Vibrate on alert ( This only applicable if Ignore Phone Silent/Vibrate profile disabled )
  • Open the App Settings
  • Select the Battery Alert section
  • Disable the Power connected alert
  • By default we set App Installed date for Battery Purchase Date.
  • If you want to change date, please use below settings
  • Open the App Settings
  • Select the "Other" section
  • Select Battery Purchase Date