Adafruit feather M0 battery not charging?

Hello Everyone,

I have an Adafruit Feather M0 with RFM95. The USB power connection works fine and the battery 3.7V with JST connector works too when I disconnect the USB power connection.

But if I connect the USB cable and the battery at the same time to charge de battery, the CHG LED of the feather M0 do not light up and the battery do not recharge.

Does anyone know how to fix this issue?

The Adafruit overview explain that:

When the USB power is powered, it will automatically switch over to USB for power, as well as start charging the battery (if attached). 

But that's not working...

Post on the Adafruit forum for help on their products.

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