If you like to charge your phone on-the-go, consider grabbing the backpack-attachable Re-Fuel Carabiner Power Bank. With a weight capacity of 132 pounds, this gadget is more than a simple portable phone charger. It’s a functional carabiner that’s perfect for hikers and campers. From a technical perspective, this device also excels. Its powerful, 3000mAh battery has enough juice to fully charge your phone twice before you need to charge the carabiner itself. The device also has built-in overcharge and short-circuit protection, so you can rest easy knowing it won’t overheat. Available in three colors–purple, green, and silver–this handy gadget is an excellent means of keeping your phone charged while you’re on the trail. Grab one today and take it on you’re next excursion.