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Taycan Turbo S, Cayenne Turbo S, Mercedes 560SL
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The fact of the matter is I normally don’t keep a car more than 2years so I don’t think it will matter one way or the other. For now I will continue to charge to 100% until I can determine my maximum range. Only then will I limit it to 80. Thanks for your concern.
But you will be handing a more degraded battery to the next owner - Li Ion degrades the most and eats up life the most at the higher SOC - not linear as one may think. So an 80%-100% charge is more detrimental than a 20%-40% charge.
 

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Taycan Turbo S, Cayenne Turbo S, Mercedes 560SL
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Li Ion batteries do not have the memory effect or hysteresis like the earlier NiMH - Nicket Metal Hydride - batteries did. Also, these batteries have BMSs (Battery Management Systems) and can accept charges up to 80% or 85% for longer periods of time. Charging it to 100% does not improve capacity of the battery. Charging batteries typically to higher SOC eats up more life as the higher SOCs generate more heat and stress the battery more.. Charging to 100% occasionally - when you are going to go on a trip or monthly to 'equalize' the batteries is not an entirely terrible thing to do. Hope this helps.
 

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Taycan Turbo S, Cayenne Turbo S, Mercedes 560SL
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That is a perfectly good way to charge your battery PassGas. Hope you get to enjoy your vehicle as much as I do. And, feel liberated as you drive by gas stations where the rest of the world seems to be gassing up at almost $4-$5 a gallon. Hope you also got the three year free Electrify America card - makes your long distance trips that much more enjoyable!
Mook
 
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