[EMS Discuss] Solar iPhone charger

Weston Turner EMAIL HIDDEN
Fri Jun 21 19:37:04 PDT 2013

I have built one of these and put the design on my website.

Ben is correct, you will want to charge an external battery, and then use that to charge the iPod/phone. Also, you can use a switching (buck) regulator instead of the linear regulator to increase efficiency.

Good luck!


On Jun 21, 2013, at 9:43 AM, "Benjamin Hallert" <EMAIL HIDDEN> wrote:

> I suggest breaking it into two mini projects:  a solar battery charger and a battery to USB adaptation.  You want steady power to your phone so have the solar panels charge a small battery and pull 5v off it.  </suggestion>
> - Ben
> On Fri, Jun 21, 2013 at 9:41 AM, Connor Weller <EMAIL HIDDEN> wrote:
>> I have aquired some solar panels and plan on using them to make A solar usb charger, I don't completely know how charging and electronics work and I'm looking for somebody to help me build it. Now here's the catch I need to get it bult and finished by Sunday because I'm leaving for scout camp would would need the charger for there.
>> Thanks in advance,
>> Connor weller
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