Question Reason Solutions
Short battery life
We tested all aircraft
before shipping
The product has slight
marks
In order to give you the best
experience, we tested
functions of all aircraft
before shipping. Therefore, it
is inevitable that there will be
slight traces. However, it can
be guaranteed that all
aircraft are 100% brand new
Fully charged with the
correct USB charger before
flying
Flying in windy
weather
Flying in cold
weather
Flying in windy weather will
accelerate power loss
In low temperatures, the
chemical reaction of the
lithium battery is slowed
down and the energy cannot
be fully released
The battery is not
fully charged
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F11 PRO User Manual
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