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How to make solar mobile charger? Answered

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i want to charge 3.7V moblie battery with solar panel without using battery

Need to be more specific. Do you want it to be just a solar panel or a panel and battery pack? How much voltage and current should it support? Have you looked at the great many of solar charger related instructables? If you would have tagged this question with the words "solar" and "charger you would have a long list of related instructables down the right column of this page. But here is a listing of them anyway.
https://www.instructables.com/pages/search/search.jsp?cx=partner-pub-1783560022203827%3Anpr2q7v5m6t&cof=FORID%3A11&ie=ISO-8859-1&q=solar+charger