Hello, Greetings from Gijo K.V & SUMIT KUMAR,SUVIDHA ELECTRONICS.We have recently launched a product in the market that can charge any Mobile Phoneusing 4 pencil batteries(AA Type).This device will ensure that your Mobile is never switched off, even while travelling and you need not worry about power source.It is economical, handy, and easy to use. We are looking for sales agents worldwide.