The OLED display status of the bull car charger is described as follows:
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1. Green lightning bolt: The device is being charged.
2. Red lightning bolt icon: indicates that the device is being quickly charged.
3. Orange lightning bolt icon: The device is being charged.
4. Blue battery icon: indicates that the device is fully charged and does not need to be charged.
5. White battery icon: Indicates that the device is low in power and needs to be charged.
6. Red exclamation mark icon: indicates that the device is faulty and needs to be checked or repaired.
7. Green checkmark icon: indicates that the device is connected properly and can be used normally.
The indicator is white, which means that the charging cover is open, but the charging gun is not inserted, the blue indicator means that the charging gun is inserted, the blinking blue indicator means that the car is connected to the charging pile and is about to be charged, the blinking green indicator means that the charging is being charged, the stable green indicator means that the charging is completed, the blinking amber indicator means that the charging gun is not fully inserted, and the red indicator means that the charging is faulty and the charging has stopped.