[NSRCA-discussion] Main battery redundant lead for receiver

[Anthony Romano]

Seems like a great idea but I have two questions. Do the packs come down out of balance since two cells are serving extra load? Is there a problem with parallel operation of two regulators?
 
Thanks,
 
Anthony
 



From: joddino at socal.rr.com
Date: Mon, 23 Jan 2012 15:25:00 -0800
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] Main battery redundant lead for receiver


I've been using this setup for sometime and it is working great.  I have my two cell LiPo charged to 7.5 volts and it is connected to a 6.0 volt regulator into the receiver.  The cable connected to the balance connector on the "bottom" 5S is connected to a 6.3 volt regulator so it supplies all the current to the system and the 2S pack never needs charging.  I'm using an 800 mAh pack but it could be even smaller.  


Jim O






On Jan 23, 2012, at 2:09 PM, Scott McHarg wrote:
Guys,
   Chris Moon just e-mailed me about some leads that were done at the factory.  These leads run off your balance leads to a voltage regulator and allow your main battery pack to be utilized as a redundant receiver battery.  It is NOT meant to be a primary but it will save 20+ grams if you're running 2 rx batteries.  You still have to run the 2nd regulator for true redundancy but you eliminate the 2nd battery.  These leads are factory made and eliminate the need to make them yourself with the concern about plugging in to the wrong cell.  I know in my article, I was pretty much against doing this as a backup but, with Chris having this made at the factory, he has all but eliminated making a mistake by tying to the wrong cell.  I have the link that I'll e-mail you off-list or you can just go to his website.  I don't want to break the NSRCA list rules by advertising for him even though he advertises with the NSRCA.  The leads are only $3.99 each and are found under the Connectors/Adapters listing.

Thank,
Scott
-- 
Scott A. McHarg

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