510 USB passthrough

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I B BOB

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Jan 31, 2010
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Lake Effect Snow, IN
some have batteries inline, others have a small battery where the battery actually would be. USB provides 5v and 12v, common voltage for atty's is 3.7v. The USB current keeps the 3.7v source delivering.
I got mine from ElectronicAsh for $12.99 Works great, delivered to my door in 3 days from order date by usps priority. This one does not have a battery inline which may turn out to be negative because you can probably replace the inline one, but I only use it when the computer is on so it should last a long time. yes it does work for a few puffs with the computer off and it flashes like a regular battery when it is discharged.
 

ZERO

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Jan 14, 2010
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people's republic
I will let you know when I receive my 5V P/T with a 5V wall charger...
smokin.gif
 

helper

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Jan 19, 2010
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Build yourself a "breath powered USB charger" and vape like mad power the thing :)

Breath powered USB charger

I thought that I had seen just about all types of USB generators... boy was I wrong.

My next project will be to take a cranking flashlight (you know, those that you are suppose to use in emergency), and install a USB port. In theory, the batteries in the flashlight would work to use the USB as long as you had enough "cranks." I'll pull out the radio and build a compartment for "supplies."
 
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