Solar AA Charger
The Sun is an endless source of energy which is free and clean. Solar energy - the radiant light and heat from the Sun can be applied in many ways including to charge rechargeable batteries. In times when the consequences of human activity on the environment require immediate action (just remember on the Global warming) a solar AA charger might be a very good idea.
Besides being environment friendly solar AA charger offers several benefits in compare to classic battery chargers which are worth take into account when purchasing an AA battery charger. One of the greatest advantages of solar AA chargers is definitely financial benefit because it is powered exclusively by sunlight although the initial investment may be larger. Unlike many other solar appliances which need to be kept in the sun to function a typical solar battery charger stores the energy in the batteries which means you charge your batteries just like with a classic charger and use them when necessary. Since solar AA chargers are portable and usually compact as well they are ideal for travel especially to places where there is no access to an electric outlet.
There are several different companies which offer solar AA chargers in wide range of prices, capacity and charging speed. An average solar AA charger needs about 3 to 4 hours to charge two AA batteries on a good sunny day, while four AA 2000mAh can be fully charged in six hours. Before purchasing a solar AA charger you are highly recommended to check whether it is suitable for your type of rechargeable batteries.