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  • CalebS68 commented on BrownDogGadgets's instructable DIY Solar USB Charger - Altoids3 years ago
    DIY Solar USB Charger - Altoids

    so the problem might be how many batteries you're using you need 4aa batteries to give you enough volts to fully charge your phone (1 aa battery gives 1.5 volts and you need 5 volts to charge your phone) if you have say 2 then your phone will try to charge the batteries or if the phone started out dead or close to it it would just not get much charge at all because they would equal out in volts. Or it might be that your panel does not put out five volts so one of the same problems will happen

    how are you creatong more energy through the controller

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