Smarter Travel Pick of the Day: PowerSkin PoP'n 3

What Is It: The PowerSkin PoPn'3, an external battery that attaches to your smartphone.

Why It's Smart:

• Uses rubber suction cups to stick on to the back of your smartphone, to keep them secured together—easy to pop on and off

• Gives up to a 150 percent charge to devices

• Built in cable lets you easily plug it in to your phone, even if it's in a case

• Available for Apple and Android phones

Where to Buy: Available on Amazon.

(Photo: PowerSkin)