4. Please do not idle the device for over 3 months; be sure to charge and
discharge the battery not used for the moment once per 3 months,
where the stored battery should be 60%~70% charged (i.e., 3.8V~3.9V);
5. The lithium battery should be stored somewhere cool, dry and
ventilated. It is advised to be stored in a 0~28℃ environment.
1.5 Charging Method
1.5.1 Charge by USB
For Type-C USB cable, link one end to computer and the other to device.
In charging, the device's charge indicator is red, which will turn green
when the device is fully charged.
Figure 1- 8 Type-C USB Cable
1.5.2 Charge by desktop charger
desktop charger can charge the device (including the battery) and a
battery at the same time.
Figure 1- 9 Power Adapter to Desktop Charger
1. Connect the DC interface of the base to the power adapter;
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