I'm tweeting about battery calibration, saving and some topics with #BatteryVoltage hash-tag. Please check it!!
This is Free version.
Accumulated voltage data is deleted
-Every 3 days
-When you remove the widget from screen
Have not shut down, although the battery still remains?
This widget calculates the battery level from the voltage.
You can use this widget as the guide of shut down.
Please make empty and full charge before using.