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MrPete (not verified)    September 4, 2021 - 7:42PM

I guess the other commenters have never used a battery powered laptop. They too have a controller that avoids battery stress. To NEVER stress the battery means over time the battery will lose capacity to provide power... just like a computer battery that's never recalibrated.
I'm an expert at computer battery recalibration, and was shocked to learn that the PCU on my Prius NEVER allows it to go to full charge, NEVER drains it all the way, and there's no built in procedure to do so.
Yes, frustrating to spend so much to accomplish what ought to be a regular maintenance item.

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