Smarter Travel Pick of the Day: Universal Rejuva Power Pack

What Is It: The Universal Rejuva Power Pack, a small portable battery that can charge smartphones or tablets.

Why It's Smart:

• Digital LED display clearly shows how much of a charge is left in the battery

• Provides one full charge for most smartphone

• Comes in cool metallic colors

Where to Buy: Available on Amazon.

(Photo: BoxWave)