In the past few years, we have covered plenty of hand crank, solar, wind, and emergency iPhone chargers here. You can always just use a pair of AA batteries to recharge your phone. This magnetic AA battery iPhone charger can do just that. It is easy to set up and can be used with Lightning, USB-C, and Micro USB devices.
This charger has a lightweight, compact design, so you can take it with you anywhere. You can even use it for an iPad as long as your batteries have enough juice left. The above video shows how this charger works.[HT]