Battery Notifier BT Free (For Android 9 and under)


Green, blue, orange and red status bar numbers can be customized to display at the percentages you want. Optional yellow smiley face charging icons. Low & full battery notifications.

Having a problem with Battery Notifier BT Free 2.1.15?
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NOTE: This app has nothing whatsoever to do with Bluetooth

NOTICE: Battery Notifier BT Free is NOT 100% compatible with Android 10. It works with Android versions up to and including Android 9.

If your device has Android 10 or up, you should download Battery Notifier BT Free 2020 instead which is optimized for devices using Android 10 and up. It includes white only notifications in the status bar as required by Google going forward. If you are using Android 9 or under, then you should use Battery Notifier BT Free.

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Help! I Can't Uninstall Your App!

Features in Battery Notifier BT Free (For Android 9 and under)...
* Arial font in official Android colors (optional black background)
* Original green color option (transparent icon only)
* Only three permissions and no ads!
* Low and Full battery alarms with repeat intervals
* Mute alerts (Postpone alarms)
* Battery temp (C or F), health, and "plugged/unplugged since" info in dashboard
* Charging icons - Smiley or battery level
* Full charge icons - Smiley with sunglasses or battery
* Display colors you want at the levels you want

Battery Notifier BT Free is one of the lightest apps available with a battery level indicator in the status bar that puts the least possible strain on your battery.

Posts at
No alarms? Won't autostart? It's not our fault! Really.
Managing notifications in Battery Notifier Pro BT 2020
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Help! I Can't Uninstall Your App!
Most Frequently Asked Questions
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If you like Battery Notifier BT Free, please consider supporting the developers by purchasing Battery Notifier Pro BT.

Battery Notifier Pro BT (For Android 9 and under) has...
* Numerous custom colored status bar numbers to easily monitor battery levels
* Roboto HD and bright ArialXL-b HD fonts with optional black background included
* Battery alarm notifications with features and options not found in other apps
* Privacy concerns? Only three permissions and no ads!
* Many FREE HD add-on themes, many with brighter add-on numbers

Features only in Battery Notifier Pro BT (For Android 9 and under)...
* HD add-on themes including Percent HD add-ons with the percent sign
* Neon HD add-ons - All fuchsia, all purple, all yellow, all orange, all red from 100 to zero
* Animated charging icons

More features only in Battery Notifier Pro BT (For Android 9 and under)....
* Charger connection and disconnection alerts
* Wireless charger support
* Notification Priority option
(Change position of status bar icon (left/right) and notification in drawer (higher/lower)

In Battery Notifier Pro BT (For Android 9 and under)....
* Custom full charge alarm percentage (70% to 100%)
* Play sound notifications in a loop
* Quiet hours (Mute alarms at certain hours)
* Various vibration lengths
* Repeat notifications as often as every 2 minutes
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22,939 total

What's New

Added Send Feedback option with new support email address
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Additional Information

June 7, 2017
Current Version
Requires Android
1.6 and up
Content Rating
Offered By
4650 W. Oakey Blvd. Apt 2203 Las Vegas, NV 89102
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