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Solar Light box Answered

Hi, I would like to make a lightbox and charge it from a Solar cell .
I saw a 5v ledstrip online , but I am wondering wich battery and wich Solar cell I have to buy? I mean how much voltage en watt does this ledstrip need? Wich diode do I need? 

Another question: I want the Solar cell to charge during the day and I need it's power during the night , do I have to do something special with it ? I mean in the most cases you will have the energie richt away, that is not my plan .... I rather not use an on and of switch , I want to use it automaticaly.   

I  just started with the diy adventure? Forgive me :) 

greetings
deborah

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