DC fast charging is slightly more taxing on an EV battery than Level 1 or Level 2 charging but it is not something to worry about. While all batteries experience some degradation over time, using DC fast charging in moderation is unlikely to have noticeable negative effects on your battery. There are situations that put more stress on an EV battery. For example, fast charging during extreme states of charge (when the battery is at less than 5% or trying to charge over 90%) can stress the battery. Similarly, fast charging a very hot or cold battery can degrade it faster and should be avoided, if possible. Luckily some vehicles “precondition” the battery when they are on their way to a fast charger to get the battery to the optimal temperature for charging, maximizing efficiency.
Will DC fast charging degrade my battery faster?
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