The Voltaic Backpack is a rough-grade glimpse into the not-so-distant future when accessories harness and store energy, and a weekend hike can start without the worry of having a fully charged cell phone.
The Voltaic line converts light energy to talk time and ipod life via a series of solar panels located on the back face of the bag.  The pack comes equipped with 11 adaptors for any sort of electronic gadget you might be rolling with, a battery pack that stores harnessed energy for use when the suns gone down, and convenient pockets for your laptop, phone, ipod, etc.
Despite the old school JanSport style, this is a rouged sac that I would recommend to anyone in need of a daypack with 1,850 cubic inches of storage space.  The padded mesh back cuts down on back sweat by providing more airflow while the mesh straps provide ergonomic comfort.
Best of all, the shell of this bag is made from recycled soda bottles, very cool.

With a cigarette-lighter outlet, you can easily plug in any of the thousand car charges you’ve accumulated over the years.  My favorite feature is the phone pocket with power cord attached to the shoulder strap; charge it up with easy access while you walk.  All your toys can charge either directly from the solar panels to the devices or by charging up the battery pack and out to your toys later.

• 4 watts of solar power for fast charging
• The solar panels protect fragile items inside
• Included battery pack which stores power until you need it
• 11 adaptors for easy connection to handheld electronics
• Fully padded laptop sleeve for up to a 17″ laptop (16.5″ x 11″ x 3″ or 42cm x 28cm x 7cm)
• Wire channels throughout the bag for headphones, bladder tubes etc.
• Adjustable phone / MP3 pouch on the shoulder
• Removable waist strap
• High density padding in the shoulder straps and back
• Mesh backing material for better air flow
• Shell uses 600D fabric made from recycled PET (soda bottles), which is tough, water resistant and light weight