Thanks to its dual 6V4.5Ah batteries, it runs up to 10 hours on low, 7 hours on medium, and still offers a solid 4 hours on ...

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

If you're wary of power banks that get uncomfortably warm while charging, the Sharge Icemag 2 is designed to avoid this issue.