No reports of any of these catching on fire yet, so I think you’re safe. If you’re a travelling businessperson (or just on vacation), it can be difficult to tie yourself down to a wall outlet to charge up your cell phone, and that’s where Mobicharger disposable power boosters come into play.

Depending on the model of mobile phone you rock, these handy solutions will provide an extra 60 minutes of talk time or 480 minutes of standby. That should be enough to keep you going until you make it back to the hotel room. They’re reasonably priced too at just $9. Available now at London’s Gatwick Airport, with additional locations surely jumping on board in due time.