How to Overcharge a Black Hole

General Relativity tells us that if you put too much charge in a black hole, weird, surprising nonsense things might happen. We know that if black holes are regional space where nothing can escape, not even light, and so it's really hard to look inside of them. But this is only if you consider mass going into a black hole,. If you consider other things going into a Black Hole, the picture changes maybe to the point where you can open a black hole.