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For this purpose we take USB cord and flashlight minimum on 3 batteries, or other 5-6v.We cut off штекер of USB and find polarity +/ -,we connect to the flashlight of wire and get the valuable charging.If you by chance попутали polarity +/ -, then a telephone can overloaded, harm not what will not be, checked for a few models of telephones

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<p>wow cool ! how many batteries use for full charge ? </p>
<p>Nice life hack</p>

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More by DmitryG2:How to do a stand for a telephone Neon light from USB Simple homemade electric motor 
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