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![Figure 3. Circuit Diagram [2] : Solar Powered Mobile Power Bank Systems : Science and Education Publishing](http://pubs.sciepub.com/ajeee/4/5/4/bigimage/fig3.png "Figure 3. Circuit Diagram [2] : Solar Powered Mobile Power Bank Systems : Science and Education Publishing")
Figure 3. Circuit Diagram [2] : Solar Powered Mobile Power Bank Systems : Science and Education Publishing
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