15
Spare battery: Since the spare battery power is supplied by the main
battery, it fully charges at least 24 hours for the first time and is not
necessary to be fully charged before use.
Charging temperature
The best operating temperature is room temperature 18~250
0
C.
The battery will not be charged if the temperature lower than-0
0
C or
higher than 40
0
C.
Battery power supply
If wireless network service or data capture application is enabled, the
battery power will drain quickly. Please disable some services or
functions to slow down battery power consumption.
In order to avoid the work inconvenience caused by low power of the
main battery, it is recommended that you prepare a fully charged
main battery or connect to an external power source at work.
Note: If you do not use the product for a long time, please charge the
device at least once every two months to ensure that the spare battery of
the device will not be over-discharged.
