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Does EV Quick-Charging By the Minute Make Sense?

When drivers of gas-powered cars fill up at the gas station, they know they are paying a certain price for a clear and fixed amount of liquid automotive fuel. But emerging payment models for Quick Charging of electric vehicles for a 30-minute period means a lot of uncertainty about the real value of what you’re getting.

The first operational Quick Charger near me is the 350Green location at Stanford Mall. I haven’t used it yet, but I’m told that it requires a special card that costs $21 for three sessions—or $7 per session. People usually talk about these Quick Chargers as providing up to 80 percent charge on a battery like the one found in the Nissan LEAF in about 30 minutes.

Here’s the problem, the same concern being discussed in a recent post about threats to the longevity of an EV battery when it’s been Quick Charged on a regular basis. The car’s computerized battery management system can significantly slow down the rate and amount of juice based on temperature or other parameters that could threaten the battery.

These Quick Chargers are only beginning to open to the public. One year after many of us starting driving a LEAF, we’re only starting to discover the ins and outs of DC Quick Charging, and any pitfalls in the process.


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