This military technology is now available to the public. A weatherproof solar charger would be perfect for the environmental conscious that are always on the go. A day at the beach? Camping in the woods? Or just out of the grid? Throw this 9 oz. compact solar charger in your backpack along with your cellphone, laptop, GPS, and PSP, because this baby has enough juice to power all the electronic necessities you have in life. This price of convenience runs you about $299. You never want to be caught in a situation where your cell phone is dead and you are miles away from civilization. This will also help those who work at home, now you can work at the beach.