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Old 07-23-2010, 08:59 PM   #6 (permalink)
Ryland
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A relay that can handle that voltage and the amps that you are going to draw is not going to be cheap either, I'm also not sure how the internal resistance of the lead acid would compare to the lithium, you would also destroy the battery pack that discharges first if you draw it down to far, much more so then if you just run your pack dead in a normal fashion.
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