Solpro Helios Smart External Battery Pack

gallery solpro helio battery charger
  • Price: $99.95

Chargers aren't very helpful when you don't have outlets nearby. And even portable chargers are useless if you forget to charge them ahead of time. Enter Solpro Helios. Unlike most portable batteries, this gadget is solar powered so you can use it on-the-go. This smart battery pack is also energy efficient, helping you reduce personal energy consumption.

First published June 30, 2017: 1:36 PM ET