This is a bad, flamebait article. - TFL are very explicit that all transactions must take place on the same device. They make it clear that if your battery doe

This is a bad, flamebait article. - TFL are very explicit that all transactions must take place on the same device. They make it clear that if your battery does run out, you will be charged. - Its obvious that this would be required, since there is no way for TFL to magically match devices or payment methods. In other words, I don't know what the hell you expect to happen.