I can relate, Jujubeez. It happened a couple times for me while playing Dark Souls. You can't just switch controllers while you're ass-deep in an intense boss fight. Anyway, I always keep a spare controller charged and ready.
By the way, henry404x: You're using the abbreviation i.e. wrong. It literally means "that is." The abbreviation you want to be using is e.g. which means "for example."