Extreme weather conditions, whether they are hot or cold, can impact EV charging times. The batteries are temperature-sensitive, so if it’s too hot or cold, those factors will likely impair their range, charging rate, and longevity.

Battery chemistry and range are impacted by cold weather. A batter’s energy can be decreased by low temperatures and putting on the heat in a car. According to AAA ‘s tests, the range shrinks by 12% when the temperature falls to 20. But as soon as a heater is turned on, that number rises to 41%.

In a similar vein, heat is detrimental to batteries. Warmer temperatures can increase battery efficiency, but too much heat can shorten the battery’s lifespan. The AAA research continues by stating that the driving range slightly decreases by 4% if the temperature reaches 95F.

EV charging at home

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EV charging station

Fast charging is a quick and easy method to top off your electric vehicle battery, but it may also hasten the battery’s deterioration, according to research from the University of California, Riverside. Fast charging stations eventually cause automobile batteries to “crack, leak, and lose their storage capacity,” according to an study they issued.

The article details a series of tests the researchers did on EV batteries, which revealed that the battery storage capacity remained essentially unchanged after 13 conventional charging cycles. However, the capacity decreased considerably more quickly after fast charging. Batteries barely retained 60% of their storage capacity after 40 charging cycles, according to the study.

Slow charging can be the best option if you want to maximize the battery’s lifespan. This can be classified as either Level 1 charging or Level 2 charging. The most expensive level 1 costs the least, but it also takes the longest to charge—40 to 50 hours from empty to full. Both private households and public charging stations offer level 2 charging. Within four to ten hours, a battery can be fully charged (via U.S. Department of Transportation ).

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If you intend to store your EV for any length of time—whether it’s because you’re going on vacation or for any other private reason—you need to make sure the circumstances are ideal for battery health.

Manufacturers have different ideas about how to keep EV batteries from deteriorating in storage. Some manufacturers, such as Ford , advise against charging your car to 100% or leaving it plugged in while you store it. The business advises users to charge it only 50% instead, then store it unplugged. On the other side, Tesla advises that in order to increase battery life, cars should constantly be plugged in.

Additionally, where you keep your batteries makes a difference. According to MotorTrend , batteries need to be kept dry and free from moisture in order to remain healthy. Additionally, if you have access to one, it could be a good idea to keep your EV indoors, preferably in a climate-controlled garage, as extreme heat and cold can damage batteries.

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