Check this battery gadget article out.

lbz5mc12

10 kW

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Sep 10, 2011

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San Bernardino, Ca

• Jun 3, 2015

• #1

https://www.yahoo.com/makers/no-joke-new-2-50-gadget-makes-batteries-last-8-120545843275.html

This looks awesomely interesting.

 

P

Punx0r

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England

• Jun 3, 2015

• #2

Cleverly packaged Joule Thief

 

amberwolf

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Phoenix, AZ, USA, Earth, Sol, Local Bubble, Orion

• Jun 3, 2015

• #3

http://www.endless-sphere.com/forums/viewtopic.php?f=14&t=57256&p=1055224#p1055224