Easy :

1 . cd case
2  solar battery  x2     (5,5v )
3  usb cable

Step 1:

put batteries in to cd case and add the wires.

Step 2:

thats all :)
<p>You cannot use IC LM7805 because his operating voltage is 7 to 20 volt. If you add a silicon diode(example 1N4007) the voltage will fall 0.7 volt. Nice project !!!</p><p><a href="http://pdf1.alldatasheet.com/datasheet-pdf/view/85503/ETC/LM7805.html" rel="nofollow">http://pdf1.alldatasheet.com/datasheet-pdf/view/85503/ETC/LM7805.html</a></p>
That's very easy , thanks for photos too,.. but i think you should put IC 7805 (voltage regulator) to regulate voltage because for many phones' battery 5.5 volts may be high !! <br> <br>
its really nice project but i think u should add 5v regulator in it.:)
WOW! Thats definitly nothing you should connect your phone to!<br> 5.7V is too much for many charging logics and it might ruin your cellphone.<br> <br> In addition, many phones require a minimum current supplied, which can not be guaranteed when using direct sunpower.<br> <br> Its far better to use a regulated voltage to charge a cellphone, also you should buffer the energy to stabilize the voltage and prevent a permanent on/off when clouds hide the sun.<br> <br> This is what i did:<a href="http://www.langeder.org/wordpress/diy-mobile-phone-charger-update-2/" rel="nofollow"> Article</a><br> Its a charging controller with LiPo packs, charging over USB or Solar Panel and giving the energy to any USB-Device plugged in when its needed, not only when there is sunlight.<br> <br> Although the CD-Case-Panel looks nice, its not recommended to use.<br> <br> Greetings
I think you meant solar panel not battery. It's a neat idea
Right, sorry for that ;]
Sounds nice and simple! Where do you get a solar battery? Is it hard to hook the USB to the solar battery?
Hi <br> <br>Polish version of e-bay : <br>http://allegro.pl/bateria-sloneczna-solarna-panel-5v-0-8w-i2530579645.html <br>It's not hard ;)
Mobile phones are picky when it comes to the charging voltage. Also, the charging current is definitely bigger than your solar cells. I wouldn't use it on my Iphone. Hint: use them without that plastic lid on. The charging will be shorter.

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