Long before there will be a solar charging such a thing, always think back before use, because I want to buy to try the solar energy monitor software, it is very useful, or very good, because it is a very good use, feel is good, especially the reason is such, for me is really a good thing very hard, before also did not occur, the solar energy monitor to use is a good one, so I think it is very good because it’s very good, so I think it is still very good, this is really a very practical things.