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.