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©
2020 DJI All Rights Reserved.
25
ROBOMASTER EP Core User Manual
Intelligent Battery Functions
1. Battery Level Display: LEDs display the current battery level.
2. Auto-Discharging Function: The battery automatically discharges to below 70% of total power
when it is idle for more than 10 days to prevent swelling. To exit the idle state, press the power
level button to check the battery level. It takes approximately one day to discharge the battery to
60%. It is normal to feel moderate heat emitting from the battery during the discharge process.
3. Balancing Function: Automatically balances the voltage of each battery cell when charging.
4. Overcharge Protection: Charging stops automatically when the battery is fully charged.
5. Temperature Protection: The battery only charges when the temperature is 5 to 45° C (41 to 113° F).
6. Overcurrent Protection: Battery stops charging when high amperage is detected.
7. Over-Discharge Protection: To prevent serious damage to the battery, the current output will be
cut off when the battery cell is discharged to 2.5 V and not in use. To extend operating times,
overcharging protection is disabled as batteries discharge during usage. In this instance, a
battery voltage below 1 V may cause a safety hazard such as a re when charged. To prevent
this, the battery will not be able to charge if the voltage of a single battery cell is below 1 V. Avoid
using any batteries matching this description. Avoid over-discharging to prevent permanent
battery damage.
8. Short Circuit Protection: Automatically cuts the power supply when a short circuit is detected.
9. Battery Cell Damage Protection: The RoboMaster app displays a warning message when a
damaged battery cell is detected.
10. Sleep Mode: Sleep mode is entered to save power when the battery is not in use. If the battery
is turned on without being connected to the robot, the battery will turn off after ve minutes.
When the battery power is less than 5%, it will automatically enter sleep mode after six hours to
prevent over-discharging. If this occurs, press the battery power button once, and the battery
can be charged to wake up.
11. Communication: Battery voltage, capacity, current, and other relevant information is provided to
the robot.
Read the user manual, disclaimer, and descriptions on the battery before use. Users take
full responsibility for all operations and usage.
1. Power Button
2. Battery Level Indicator
1
2
LED1
LED2 LED3
LED4
Intelligent Battery
The intelligent battery has a capacity of 2400 mAh, a voltage of 10.8 V, and a variety of power
management functions.
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