Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old May 12, 2006, 10:00 AM
skylight is offline
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Voltage cutoff for 3 cell Lipo


I want to use a Castle Creations Pixie 20P with a 3 cell, 1250 mAh Lipo, 11.1V from Common Sense RC. The battery manufacturer recommends the voltage cutoff at 3.2 V per cell (9.6V total). However, the Pixie 20P program option for 3 cell Lipo is 8.4V. Has anyone else run into this problem? Can I use the 8.4V cutoff safely with the 3 cell Lipo?
What ESC can I use ?
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Old May 12, 2006, 10:09 AM
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8.4V is too low. At least 9.0V is minimum. I have my LiPo alarm set to 9.6V. Go get one.
Old May 12, 2006, 11:10 AM
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I also set my LVC to 9.6 volts. The experts say it is important to not let any cell get below 3 volts. Since some cells discharge faster the others, I am just trying to make those expensive Lipos last as long as possible. I'm not cheap just frugal!

Doug
Old May 12, 2006, 08:04 PM
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What is a Lipo alarm? and where can I get one.
Thanks
Old May 12, 2006, 09:07 PM
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skylight:

You must have one in an older package since this was addressed some time ago and the industry has since settled on a minimum of 3v/cell.
You can get a great lipo low voltage device from Diversity Model Aircraft called the Li-Saver.

mw
Old May 12, 2006, 09:22 PM
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Another very good LiPoly LVC device is the LiPo Shield.

http://www.dimensionengineering.com/LipoShield.htm

Charles
Old May 12, 2006, 10:20 PM
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Thanks for all the information. I am new to RC and I am trying to figure all this out.
Skylight


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