Operation; Charge - Precision Tech Apica Air Mode D'emploi

6. OPERATION

6.1 Charge

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Display the present remaining amount of the battery.
Less than 15% remains, please charge.
Note
If the power if less than 15%, the device must be recharged within 30
days, otherwise the battery will be damaged.
Charging indication appears on the screen, and flashes slowly, when
battery is fully charged or in a state near full charge, the flash will stop.
Fully charged will take about 4-5 hours, depending on residual battery
power and battery state.
It can be recharged 300-500 times, depending on the operating
conditions of the device.
Warning
Do not change the battery, only trained technician or distributor can
change the battery, the electronic parts will be damaged if use a wrong
battery or install with a wrong way.