Whether you travel by plane, train or automobile, you can count on the Inflight Power Recharger Cables to keep your gadgets juiced up while on the go. This handy travel accessory, which was featured on OhGizmo! can be plugged into the headset jack in a plane, bus or train seat for instant charging. The in-flight charger has a cable that will convert the audio output into regulated USB power. You can also pop in three AAA batteries to boost the power from the headphone jack or for using on its own. Priced around $35.