You Will Never Have To Worry About Running Out Of Battery In Natures Backyard.  

Think of his backpack like a reserve tank to keep you charged up while camping, hiking, riding or any other outdoor activity.  

Has plenty of power to easily power up your notebooks, tablets or mobile phones. Comfortable and adjustable straps, breathable mesh and buckle chest straps to avoid rubbing or slipping on lengthy trips.  

Specs:
Bag Material: Nylon
Solar Panel Material: Crystalline Silicon
Bag Capacity: 15L
Hydration Pack: 2L
Power: 6.5W
Output: 5V
Transfer Rate: 22.5%
Waterproof Level: IP67
Solar Panel Size: 31.5 * 17cm / 12.40 * 6.69in
Bag Size: 55cm(L) *36cm (W) *23cm (T)
Weight: 1417g

Includes:
1 * Backpack
1 * Hydration Pack 2L
1 * 6.5 W Solar Panel
1 * USB charging cable