I have one of these: <a href="http://mambohead.com/2011/09/3-4-vdc-to-34v-booster/">http://mambohead.com/2011/09/3-4-vdc-to-34v-booster/</a><div><br></div><div><div><div><div>Anybody know how they work?</div><div><br></div>

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