Load the batteries, it is possible to live without constantly buying batteries. But in reality, these chargers uncomfortable Dinky and pigs valuable space. Who is a serious crime in my house that seems to have only one outlet per room. Well, just leave this design up to and there are different sizes of batteries are working.

Of course, there are many wall chargers, with more than one size, but they are difficult to make a rule to fit them all. Plus, they require only a few at a time. This drop you off just the battery in the middle and 'll fate of the battery itself, the battery is currently in the station Greener Gadgets Design Competition is part of one of the finalists. This means, unfortunately, it's a long way since the production line.