Alienono Pro Kunner 450 AW 550 AW Solar Power Backpack Solar Charger Bag Pack DSLR Camera Bag Backpack Take Your Power with Smart phones, Tablets, MP3 Players, GPS Units and more while Camping, Hiking and more Outdoor Activities! Charges your smart phone, tablets using the 6.5Watts 5V 1A 25% high efficiency SUNPOWER solar cell. The unique, back-entry compartment offers easy access to gear when the pack is rotated to the front. The Hideaway Tripod Mount system helps secure a tripod to the outside of the pack for easy access. The patented, built-in All Weather AW Cover protects gear from rain, dust and sand.