No, the D1 Mini has no battery connection ...

Not sure if we are talking about a different product then:

https://wiki.wemos.cc/products:d1:d1_mini_pro

I can see the conector in the pictures and diagram and also in features:

Lithium battery interface, 500mA Max charging current

Hi, I'm going to use with Domoticz and ESPEasy the D1 mini with an RFID reader to activate/deactivate an alarm. I wanted to have the battery shield, but it looks like then I either connect the USB to the battery shield or to the D1 mini, as they are not "interconnected" if I want to reflas...