<p>Talk to Rolf about his constant current psu board for his lumbrella!  One battery pack with AA or AAA batteries and a two wire supply line for all your leds ( this compact power supply generates whatever voltage needed to  push 20mA down the line, lighting up 2-8 white leds in series)</p>

<p>-miloh </p>
<p><blockquote type="cite">On Jan 4, 2011 4:12 PM, &quot;Corey McGuire&quot; &lt;<a href="mailto:coreyfro@coreyfro.com">coreyfro@coreyfro.com</a>&gt; wrote:<br><br>Single LiPO&#39;s on the cheap<br><a href="http://www.hobbyking.com/hobbyking/store/uh_listCategoriesAndProducts.asp?idCategory=235&amp;LiPoConfig=1" target="_blank">http://www.hobbyking.com/hobbyking/store/uh_listCategoriesAndProducts.asp?idCategory=235&amp;LiPoConfig=1</a><br>

<br>I use these for my DIY Micro Heli Packs<br>
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