Water will damage the battery protection board, and the battery
cannot be used normally. Do not use the battery in rain or in a humid
environment, as this may cause the battery to self-ignite or even
explode.
If the battery is squeezed, deformed or dropped from a high
altitude, it is forbidden to use it again.
It is forbidden to exposure the battery to high temperatures for a
long time. High temperatures will increase the internal pressure of the
battery and cause an explosion.
U11PRO User Manual
Copyright ©2023 Ruko All Rights Reserved.
30
Before using the Intelligent Flight Battery, be sure it is fully charged.
Please use a 5V3A or 5V2A USB charging plug.
In the charging state, the battery power indicator will flash and
indicate the current charge level; when the fourth indicator light is
always on, it indicates that the charging is complete. And it would
take 2.5 hours.
Please remove the charger in time after charging is complete.
Preservation Advice
It is recommended to charge and discharge it once a month, do
not store with a full charge, keep 50%-60% of the power, the storage
temperature is 10-40°C, and the best storage temperature is 19-21°C.
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The positive and negative poles are short-circuited for a long time
(such as water coming out of the battery contacts, short-circuit caused
by foreign objects like hairs, etc.). If it exceeds 30 minutes, the
protection board IC will fail and disconnect, and the battery cannot
be used normally.
It is forbidden to use fast chargers that exceed the battery's rated
power for charging. It is recommended to use a 5V/2A or 5V/3A charger.
If the Aircraft has not been used for a month, the battery must be
removed to prevent the battery from being discharged for a long time.
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