The rules recently changed and people now need a licence to watch content on BBC iPlayer. If you own a licence and you're away from home you're allowed to use

The rules recently changed and people now need a licence to watch content on BBC iPlayer. If you own a licence and you're away from home you're allowed to use a device powered only by internal batteries to watch TV -- this is covered by your home licence. Yes, this leads to ridiculous situations. You watch live tv on your phone? Fine, until you plug in your phone to charge and you're now breaking the law. I don't think anyone has been prosecuted for this type of use.