macbook pro charging issue

Hey I was wondering if charging the new MacBook Pro with the USB C with In seat power would damage my battery? I'm not sure how many watts it gives or whatever, but would it destroy my computer if I plug it in to the airplane power via USB?

Hi All, I have MacBook pro late 2011 model 13 inch. My MacBook charger was getting old so recently I bought another one. I thought my older charger wasn't charging but I used to see the green light whenever plugged in but I thought its not working so bought new one. Now after buying new charger...