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Solar Panel + Iphone

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    #1

    Solar Panel + Iphone

    Hello,

    I am interested in modding my iphone 3g to have a solar panel built into the back of it in some way. After searching the web I have seen nothing about anyone trying this. There are a lot of external solar charging devices with their own batteries but nothing integrated. I've even seen cases with their own batteries and solar panels for the iphone. Why not have the solar panel connect directly to the iphone battery? I've repaired many iphone so disassembly, reassembly, and modding would be no problem but I have no experience with electronics. Has anyone ever heard of this? Any information at all would be greatly appreciated.
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    #2
    Re: Solar Panel + Iphone

    bad idea to connect it directly to the battery.
    it needs some kind of charging circuitry, otherwise the voltage will fluctuate all over the place (depending on how much light falls onto the solar panel) and the panel would probably act as a load to the battery if there's no light, so you would end up discharging the battery and probably damaging both the panel and battery.. (and in the worst case, the iphone itself..)

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      #3
      Re: Solar Panel + Iphone

      Will,
      What Scenic said is true.
      A few other things.

      How much is charge current for an I phone?
      Don't own one so I can't say.
      That will determine panel size.

      Another thing is human nature.
      Let's say we do build a solar charger into a personal device.

      Most people will get the idea that it's ok to leave it on a dash board all day.

      In this part of the world near Washington DC during the summer we get temps in the 100 degree F range, the temp in the car will go past 150F.

      Very few examples of consumer electronics are going to be happy working in that range. Now add LiON batteries, high temp's and large injection of voltage and current, that's just begging for an unplesant burn spot on the dash and a smoke stain on the glass.

      Im sure the idea has been thought of over the years and scrapped just after the first test article detonates.

      Be well there.
      Radio Mike,
      Herndon VA
      "You are, what you do, when it counts"
      The Masso

      "Gravity, the quickest way down"
      Mayor John Almafi

      "You ever drop an egg, and on the floor you see it break?
      You go and get a mop so you can clean up your mistake.
      But did you ever stop to ponder why we know it's true?
      If you drop a broken egg you will not get an egg that's new?"

      MC Hawking

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