Issues after charging port replacement

Replaced the charging port. Plugged it into a voltmeter, was drawing normal power and showed it was charging. Turned it on and did a basic test. Touch worked, mic and speakers worked, no issues from what I could tell. Then It powered off (it was at ~43% and charging). Cannot get it to turn on at all. It's still drawing power from the wall, but doesn't show that it is charging on the screen.