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, hunting 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 
Capacity: 35L 
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 * 6.5 W Solar Panel 
1 * USB charging cable