5 Must-Have Travel Tech ItemsTravel productively with these out-of-office assistants that do everything from track your luggage to organize your expenses.

Juice Fast
Powerbag Instant Messenger ($180)

You'llbuy the Powerbagfor its signature feature, a rechargeable battery (zipped into an interior pocket) that can charge the average smartphone four times. But you'll love it for its USB ports, internal cables, exterior-accessible AC port for plugging into the wall and a meter that shows how much energy the bag has left.

Hot Spot to Trot
AT&T MiFi Liberate ($200)

The Liberate's2.8-inch color touchscreen shows everything from battery life and signal strength to connected devices and password settings. It's a welcome tool for organizing 4G connections among up to 10 devices at once via Wi-Fi, with enough juice to run for 11 hours. Bonus: A microSD memory-card slot turns it into a 32 GB wireless network server.