Portable Solar Power systems are becoming increasingly popular as they help the average person clean up the environment on a “micro-level”. They have become a solution for hykers and cyclists, to find their route by using GPS. They have the benefits to be flexible and foldable; they can roll up and carry with you on your backpack.
A good charger needs to be charged up in less than 10 hours, must be weight under a pound and must be 1-2 year old in its design. You need a light and durable device which also works in partial sunlight. Bill Chapell recommends four devices:
The K3 Wind and Solar Charger is a durable nice-looking device, meant for cellphones and cameras. If you want to give a boost, you can charge it via AC outlet.
The Solio Classic scallops out into a flower-petal pattern. Solio is one of the more established companies and their products have a reputation for being hardy.
The Novothink Surge For iPhone is a charger with a built-in Apple-friendly 30-pin connector for your iPhone. It includes a USB connector and it can charge itself via USB as well.
The Powertraveller Solar Monkey is very versatile and can be strapped on top of a backpack. It is best to get with a Solar Nut, a little dongle that regulates the power flow. Though small and flexible, yet is has much storage capacity.
There are many devices on the Web and it is difficult to make a choice. Some chargers have the disadvantage to take up much space or take much time by charging. Others suddenly expunge by switching off the memory. But after reading the comments of critics and users review, you may be find what you have in mind.