No difference between them and the ordinary stones battery conventional , the only difference USB entrance on its side. With the entrance of this USB, the user not to worry about running out of battery after using his mobile phone today, such as phone wealthy parent or digital camera, etc ...
You just connect the battery by the USB , and solve the problem of re-shipping, and at the same time you can use as a normal battery . The Japanese inventors of this invention Haileong Biao, Ioanchenglao, and Xming is.
