When charging your battery camera, there are different LED lights which indicates the battery state.
SOLID - ORANGE
SOLID - GREEN
Battery is fully charged
FLASHING - GREEN & ORANGE
If the charging port acts abnormal by flashing between Green and Orange LED, it indicates that the camera can´t charge correcty. Try to troubleshoot with following steps:
1. Check the USB charging cable is correctly connected to the device.
2. Check that the USB charging port is not damaged.
3. Try another power adapter, to make sure that the power adapter is not faulty.