Thread: Solar, Dynamo, Big 'ol Battery...Looking for advice
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Old 01-06-14, 03:59 PM
  #9  
fietsbob
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I have 2 Schmidt SON AC generating hubs running LED lights . on 2 bikes , drag is unnoticeable. 3w6v

USB is 5v DC, so somewhere theres a full-wave rectifier chip to change that.



Others must have a Phone running all the time , I dont.
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