If you find you're constantly running out of battery on your iPhone then it might be time to upgrade to a backup battery charger like the Nomad cube. This powerful smartphone charger doubles up as an extra battery pack for when your phone requires that much needed boost.
The Nomad charging cube has a dual purpose function. First off this cube works as a standard iPhone outlet charger so you can hook up your iPhone, using a USB cable, to an electrical outlet. While the Nomad cube charges up your phone, it also the integrated battery pack located inside the cube's design. This way when you're out and you find your battery is running low, you can hook your iPhone up directly to the Nomad cube for an added boost while on-the-go.