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Regen after battery is fully charged

5119 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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In my Spark EV, regen would completely turn off if the battery was full or say the battery was hot due to sitting in a garage in summer.

The brakes would act as though they were normal brakes with no regen at all.
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