Voltaic Pouch Panel Color: Silver Green Orange Charcoal The Voltaic Pouch™ is designed to attach to a larger rucksack to provide power for extended outdoor use. However it also stands alone just as well for use as a small daypack. Features: Fully padded to protect laptops (note:not intended for laptop charging). Fits up to a 15" screen (14" x 10" x 2" or 35cm x 25cm x 5cm). Lined MP3 / sunglasses pouch inside. Loops with fastek buckles at each corner to attach to easily to other bags. Removable fastek buckles can attach to another bag and serve as an anchor point. MOLLE compatible PALS for attachment to military style rucksacks. The solar panels provide protection for fragile items inside the front pocket. Wire channels throughout the bag for headphones, bladder tubes, hands free etc. High density padding in the shoulder straps and back panel for comfort. Shoulder straps can be stashed in back sleeve when not in use. Can be worn as a backpack or sling bag. Nylon mesh backing material for better air flow. Weight: 2.9 lbs (1,500 grams) including battery and solar panels. Dimensions: 17" high x 10-12"wide x 3-4" deep (43cm high x 25-30cm wide x 7-10cm deep) Volume: 600 cubic inches Includes a 2,200mAh Li-Ion battery pack with 3 voltage settings to store solar power. When not in the sun, the battery can be charged using the AC travel charger or DC car charger. Comes with 11 standard adaptors including a car charger socket and USB adaptor so you can always use a standard charger for your device. Includes adaptor plugs in universal sizes and for common cell phones, which eliminate the need to use a car charger for common devices. The three solar panels are tough, light weight, waterproof, and generate up to 4 watts of power. Indicator light inside the Voltaic logo shows when the solar panels are generating a charge!