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78
©
2023 DJI All Rights Reserved.
AGRAS T40/T20 P
Unmanned Aircraft Flight Manual
The battery should be used in the temperature range of -5° to 45° C (23° to 113° F). Use of
batteries in environments above 50° C (122° F) can lead to fire or an explosion. Use of the
battery in temperatures below -5° C (23° F) can negatively affect the performance of the battery.
The battery can be used again when it returns to a normal temperature.
DO NOT use the battery in strong electrostatic or electromagnetic environments or near high-
voltage transmission lines. Otherwise, the battery circuit board may malfunction, which could
cause a serious ight hazard.
DO NOT disassemble or pierce a battery in any way or it may leak, catch re, or explode.
The electrolytes in the battery are highly corrosive. If any electrolytes make contact with your
skin or eyes, immediately wash the affected area with water and see a doctor immediately.
DO NOT use a battery that has been dropped. Dispose of the battery as described in the
Battery Disposal section.
If the battery falls into water while inserted in an aircraft during ight, take it out immediately,
and put it in a safe and open area. DO NOT use the battery again and dispose of it properly as
described in the Battery Disposal section.
DO NOT put the battery in a microwave oven or a pressurized container.
DO NOT place the battery on or near wires or other metal objects such as eyeglasses, watches,
jewelry, and hairpins. Otherwise, the battery ports may be short-circuited.
DO NOT drop or strike batteries. DO NOT place heavy objects on the batteries or station. Avoid
dropping batteries.
Always use a clean, dry cloth when cleaning the battery terminals.
DO NOT y when the battery power level is below 15% to avoid damage to the battery and
ight risks.
Make sure the battery is correctly connected. Otherwise, the battery may overheat or even
explode due to abnormal charging. Only use approved batteries from authorized dealers. DJI
assumes no responsibility for any damaged caused by using batteries that are unapproved.
Make sure to lift the battery by the handle.
Make sure the battery is placed on a at surface to avoid damage to the battery from sharp
objects.
DO NOT place anything on a battery. Otherwise, the battery may be damaged, which may lead
to re hazards.
The battery is heavy. Be careful when moving the battery to avoid dropping it. If the battery
is dropped and damaged, immediately leave the battery in an open area away from people.
Wait 30 minutes and soak the battery in water for 24 hours. After making sure the power has
completely run out, dispose of the battery in accordance with local laws.
Make sure the battery is fully charged before each ight.
Immediately land the aircraft if a critical battery level warning appears and replace with a fully
charged battery.
Before operating in a low-temperature environment, make sure the battery is at least above
5° C (41° F). Ideally, above 20° C (68° F).
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