Learn how to cancel Battery Life Extender subscription on iPhone, Android, Paypal or directly.
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Alternative method via AppStore:
1. This app gives you an audible and visible notification (including colored blinking LED when supported by device) when the battery reaches a user-defined LOW and/or HIGH level so that you can plug/unplug the device if convenient.
2. The log of the plug and unplug times will log every charging cycle including time and battery level as well as the duration of each cycle.
3. Battery Life Extender helps you keeping your device battery in a healthy charge range in order to get a much longer battery lifespan.
4. Battery Monitor shortcut: At the top right corner, the app shows a battery symbol with the current charge level.
5. This will help you better assess how long the charging process takes and how long you are running on battery.
6. About once every other month, we recommend to fully charge and discharge the battery so the internal power gauge can calibrate itself.
7. It merely assists you so that you can interrupt the charging process at an optimal level. * (Some devices indeed have this capability, but this requires the device to be rooted.
8. The default range of 25% to 85% is a good compromise between battery care and usability in most cases.
9. On Android 7 and newer, please turn off the battery optimization for this app (App info > Advanced > Battery optimization).
10. As long as you don't dismiss the alert, the sound will repeat every 5 minutes when charging (high level) and every 15 minutes when discharging (low level).
11. Pressing it calls the system's own battery usage monitor.
12. Note: Because of this, this app does not automatically extend the life of your battery.
13. And it shows an easily readable battery indicator on the status bar.