CommentStreams:A736d5af0eefc7592f158636f06f3972
Hello,1/VIN--5V Voltage Input(Can be powered by this VIN 2Pin header);2/If it is 100% fully charged, it is normal for the battery to begin to discharge. The LED light should display to 100%. 3/But I didn’t understand your question. Do you want to discharge while charging?