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Regen after battery is fully charged

5134 Views 22 Replies 11 Participants Last post by  canehdian
I recently fully charged my Volt at a relatively high elevation. After it was charged I proceeded to drive downhill, which resulted in the Volt attempting to regen some power back into the batteries. But since the batteries were already fully charged it appeared to switch to gas mode and started logging gas miles. Except that the ICE was not running and the Volt still appeared to be in 100% electric mode. What was the Volt doing? Is this how it handles a situation where the batteries cannot accept further charging? If so, where was the regen power going? Were the brake pads possibly being used instead of regen without my knowledge?

I have a 2015 Gen 1 Volt.
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I was at the wind power visitor center near Ellensburg (very interesting, BTW), they had an L2 charger so I charged to full. Then left on an 18 mile steep descent to the Columbia River, the range kept increasing from regen. Once it reached 63 miles I switched to gas because I was nervous about the battery. Seemed to be real range that I could use later tho.
So where does that energy go? Does the Volt have a way to load dump? At some point the battery cannot accept any more charge.

Also what is the highest range anyone has seen in this scenario?
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