Starting a fire in grid down with what you have on you? How about the battery from your (now useless) cell phone? Check this out:
https://www.artofmanliness.com/2018/01/19/start-fire-cell-phone-battery/
Love this site. Even if you take a lot of their articles tongue-in-cheek, it is fun to read. Should be mandatory reading for all snowflakes and millennial men.