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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Charge Battery with Solar Panel

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JoeWawaw

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Hi, i want to charge a 3.7V aa battery with a 5-6V (although i could change the value if needed) solar panel, but i'm not sure about the circuit. could anyone explain me it? Thanks
 
What type of AA? NiCad, NiMh?
 
i was thinking li-ion, but any battery type really, so long as it's 3.7V, i don't need too much charge capacity either
 
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