We all have power hungry gadgets. Keeping them charged on the go is not always easy. The EnerPlex Packr happens to be a USB solar charging backpack capable of generating power for your gadgets on the go. The backpack could power your smartphone, camera, or tablet. Just plug in your device, expose the panels to the sun, and you are set.
The solar panels have a flexible design, so you can pack as much in the pack as possible. The backpack has an adjustable shoulder, chest, and waist strap. You also get 2 water bottle holders. Like what you see? It sets you back under $100.