2. Helius V-Dimension
For those looking for a less expensive solar power backpack, this Helius model may right for you. At only around $100 at Staples, this bag comes in black only but what it promises is awesome. Helius says, “People will never be left out of touch or out of tune," with this backpack and with the items it charges, you will stay connected.
Along with cell phone charging (iPhones too), it can charge iPods and comes with adapters for both the iPod and iPhone, a mini-USB for Blackberry or Motorola Razr V3 phones and adapters for Samsung, LG, and Nokia—so no matter what smartphone you have, you’re pretty much covered.
The bag is made from 840D nylon twill and can hold laptops up to 15.4 inches. The solar panel is made from crystalline silicon and has an anti-reflective coating. Have headphones? No problem as this backpack also comes with a headphone port so you can hear your favorite tunes during charging times.
Dimensions for this bad are 18.5 inches H x 13.5 inches W x 9.5 inches D and it weighs only 3.5 pounds! Again, find a link to buy this backpack in the reference section.