I've been reading about the new requirement for electronic devices to be demonstrated as operational when passing through Airport Security, and it has occurred to me that normally by the time I've finished a transatlantic flight my Kindle Fire and my tablet are totally flat! The kids' devices won't fare much better.

Has anyone any bad experiences of taking non-functioning tablets/mp3 players etc onto the second leg of a two-hop flight?

We're flying American Airways, Manchester - Chicago - Orlando.