Quote:
Originally Posted by BrianG
Keeping the voltage under 40v lets me be able to use the UBEC, otherwise, I'd need a receiver pack or some special regulator design. Technically, I probably could get away with 10s since it's 37v nominal, 42v max, but that's too close to the max input for the UBEC.
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The other option would be to just run the UBEC off the first battery pack before the series connection. The wiring would not be as clean but it is an easy way to avoid the over voltage problem.