Why Is My Ipad Pro Not Charging. In this case connect the iPad to a wall outlet using the cable and charger that came with it. If the charging port is damaged your device probably needs service.
I mean do not stream videos listen to music or keep apps open when the device is charging. This accumulation might be causing bad connection to the charging USB cable. Make sure that you dont damage the charging port permanently.
A solution that almost always resolves the iPad Not Charging message if it relates to power insufficient is plugging the iPad directly into a dedicated iPad 12w charger from a wall outlet.
One of the most common reasons why an iPad experiences charging problems is because it was recently exposed to water or another liquid. The USB charging port in your iPad over the time might accumulate dirt dust debris or lint. First things first let your iPad Pro charge with complete peace of mind. Therefore re-plug your iPad into a different USB port and check if the iPad starts to charge.