Hangzhou Qifei Intelligence Technology 3WD4-QF-10B User Manual page 8

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Keep away from no-fly zone, please do not enter no-fly zone.
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Maximum flight radius: 1 km.
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Please do not fly the aircraft in rain, snow and thunder weather.
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Please do not fly in narrow and small space.
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Do not fly above the crowd to avoid personal injury or poisoning.
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Please do not get close to high-voltage power line.
Power Requirements
Caution
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Please strictly conform to your local electrical safety codes.
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Make sure the power supply is correct before operating the device.
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The power source shall conform to the requirement of the Safety Extra Low Voltage (SELV) standard, and supply
power with rated voltage according to the Limited Power Source requirement of IEC60950-1. Please note that the
power supply requirement is subject to the device label.
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Prevent the power cable from being trampled or pressed, especially the plug, power socket and the junction
extruded from the device.
Battery Attentions
Warning
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It has to use the exclusive power adapter to charge the device provided by QiFei, otherwise it may cause damage
to the battery or other unpredictable consequences.
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It has to charge the device at a temperature which is between 0 and 50℃.
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It has to distinguish positive and negative when charging the device, which is to prevent short circuit.
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Please do not place the device close to fire source or inflammables.
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Please do not charge and discharge the device in a situation where it is not guarded by people.
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Please do no use undesignated battery to the device.
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Please do not dismantle and destroy the battery without permission, water is not allowed to enter the device,
damages caused by human is not covered by warranty.
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Please do not throw the battery into fire or make it exposed to the environment with high temperature.
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Please do not dismantle or modify the battery, or make the battery transformed.
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Avoid contact short circuit between positive and negative (Please do not place the battery together with the objects
such as necklace and hairpin etc. when carrying or storing the battery).
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Please replace new battery in time when it is damaged.
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Please charge the battery or discharge it to 30%～40% of remaining battery if it won't be used for a long time, and
place it in a dry and cool environment.
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If the battery leaks and the liquid enters eyes accidentally, please do not rub your eyes, you should wash your eyes
with clean water and see a doctor immediately.
Caution

It is normal the battery heats up after it is running for a period of time, because the discharge power is quite big.
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It is normal the battery heats up when it is being charged.
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