I drop it often the foldable plug broken.
1. use cutter start to cut seam.
2. use metal spudger and hammer knock seam horizontally.
3. plastic open tool pry it.
here is [https://drive.google.com/open?id=1-OBeRu_VoYpTgdP92q82956azqRFndcf|inside Anker Power Port 2]