Wireless charger in a flash to prove that he is charging, charging when the green and red lights are blinking side by side, if a long time a flash or not fully charged, it proves that the battery may be faulty or the charging line is not charged.
When the wireless charger detects abnormal conditions (such as over-current, over-voltage, over-temperature, under-voltage, and detection of metal foreign bodies, magnetic cards, etc.), it will automatically power off, and the indicator light will turn red to play a warning role. You can check whether the above conditions exist.