Quote:
Originally Posted by BrianG
Patrick, what is your take on the safety or reliability of using motor braking with lipos? Lipos require a pretty stringent CC/CV charge profile, and depending the weight/speed/braking force used, could this excess power be unsafe or at least unrecommended? After all, it isn't regulated at all...
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Well, you can't overcharge a Lipo during braking, because you are never putting in more energy than you have already taken out of the battery.
For the short bursts we use for braking, there is no damaging chemistry change in the battery. I've verified this with two different cell manufacturers -- the short duration charge burst doesn't have any affect on the chemistry of the Lipo. The energy put back into the Lipo just isn't high enough to cause any localized heating (the real issue) on the polymer.
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