Electric vehicles are becoming more common by the day, and the old concerns of range anxiety seem to be fading as many new EVs offer more miles per charge than many people drive in a week. That said, charging speeds are becoming more of a concern, especially as more people consider EVs for longer trips, because nobody wants to sit for an hour to get enough juice to keep going.
EV charging speed overview Without getting into a science lesson an excellent way to explain charging speeds is actually to think about chargers like gas pumps. The larger the hose and nozzle, the more fuel, or in this case, electrons, can flow through. Volts are like the pressure that pushes electrons through the circuit, while amps are the number of electrons flowing. Chargers, especially home chargers, rated for more amps charge faster than lower-amperage chargers.
On the other end, the vehicle itself can only accept so much fuel at a time, limiting the overall flow. The same is true for EVs. Fast chargers – with speeds of up to 350 kW or more – can rapidly add range to EVs, but only models equipped with 800-volt capability can take full advantage of the speed.
How temperature affects EV charging speeds People in Southern California might not worry too much about snow and cold, but winter weather is a reality for many others. We know that cold can impact an EV’s range by as much as 40% in some cases, which has a lot to do with climate controls and heating. Charging is slowed when it’s cold out, which is due to both chemistry and the vehicle’s software and protection systems.
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