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©
2020 DJI All Rights Reserved.
ROBOMASTER EP Core User Manual
Charging the Intelligent Battery
The battery charger is designed for charging batteries for the robot. Lift the battery charger cover and
insert the intelligent battery. Connect the battery charger to a power outlet (100-240 V, 50/60 Hz).
Charging Time: Approx. 1 hour and 30 mins*
Before using for the rst time, charging is required to wake up the battery.
Make sure the battery is fully charged before each use.
When the charger is not in use, keep the battery charger covered in order to prevent the
metal terminals from being exposed.
1
2
3
100-240 V
50-60 Hz
Battery Level Indicators while Charging (Battery)
LED1 LED2 LED3 LED4 Battery Level
0%~50%
50%~75%
75%~100%
Fully Charged
Battery Level Indicators for Battery Protection
LED1 LED2 LED3 LED4 Blinking Pattern Battery Protection Item
LED2 blinks twice per second Over current detected
LED2 blinks three times per
second
Short circuit detected
LED3 blinks twice per second Over charge detected
LED3 blinks three times per
second
Over-voltage charger detected
LED4 blinks twice per second
Charging temperature is too low
(<0°C)
LED4 blinks three times per
second
Charging temperature is too high
(>40°C)
After any of the protection issues are resolved, the battery level indicator will power off. Unplug the
intelligent battery from the charger and plug it back in to resume charging. Note that you do not
need to unplug and re-plug the charger in the event of a charging temperature error. Charging will
resume when the temperature falls within the normal range.
DJI is not responsible for damage caused by third-party chargers.
Status LED Descriptions
* The charging time was tested in a lab environment using a new intelligent battery, and should be taken as a reference only.
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