Blinking second light

I have the Anker usb charger and I’m getting the second light blinking only. I’ve used this device for the last two months and it’s been amazing an now it seems to be failing on me. Any idea what’s going on or why it’s failing?
Low voltage- I’ve plug other devices in and they charge fine.
Left on charger for hours and still only 2nd light blinking. Usually the first then the second and so on when charging correctly.

Second light error?

We could be more helpful if you told us specifically what usb charger you are talking about


Please try out another charging cable and charger if possible. Sometimes, if a USB port is not outputting enough power, it can cause the charging process to take a very long time. If this doesn’t help, feel free to reach out to with your device’s serial number and order number and they’ll be happy to help you out!

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Hello,Please tell me what charger are you using ? Do you have any picture?