Solar chargers are a great option of contributing to the welfare of the environment. A lot of energy could be saved by using these chargers of solar power. You can also build one without much difficulty. Get the cell removed when you are done with the charging and you will get a good and compact power supply of USB. You cab get the sell unplugged and get a Velcro, which will let you secure your Mighty Minty Boost within your backpack or a bag of messenger. You could attach a solar cell to the bag in order to get charging at a faster rate. You have to be cautious when you cut the tin of Altiods. Do not let the sharp edges cut your fingers. This not very difficult to build. However, make sure you do not do anything wrong as that may damage the device it is connected to.