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Old 06-15-2014 | 09:06 AM
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OhD
 
Joined: Oct 2002
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From: west hills, CA
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Originally Posted by speedracerntrixie
I personally would not operate a model this large on BEC. A 500 mah LiFe battery weighs very little and is a great voltage to operate at.
My solution is to run the BEC at 6.0 volts and have a 500 mAh 2s LiPo (about one ounce) backup battery regulated to 5.7 volts. As long as the BEC is working it provides all of the current. If it quits, the backup pack takes over and you save your airplane. Check the backup pack once in awhile and charge it if necessary.

Jim O
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