@ ToolkitRC 2020
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value, modify the voltage value to be consistent with the
voltmeter value, and achieve calibration. After the
calibration is completed, move the cursor to save, short
press once, the buzzer will beep once, and the save is
successful. Just log out or shut down
6,Fully charged
When the lithium battery is charged, it prompts "Fast
charging has ended". If the battery is not removed,
constant voltage trickle charging will be performed
automatically to make the battery more fully charged.