When a freezing storm keeps temperatures below freezing for days like it does in most parts of the United States during Christmas, it’s best to stay indoors. However, extreme cold can also be used for interesting experiments on electric cars, as the YouTube Out of Spec Reviews channel later showed: a Tesla Model 3 previously parked outside for so long needed 45 minutes on the supercharger before it kicked in. to charge. The new Nissan Leaf didn’t take that long, but it was very slow to charge, and the older one wouldn’t charge at all.
Tesla charging delayed by 20 kilowatts
For the extreme test, the YouTuber parked the three electric cars for two days and then moved them a few feet to a DC charger. With Tesla, the plug is not locked on the first charger pole, but the connection works on the second pole. At that time, the thermometer in Form 3 showed -23 degrees Celsius below zero, according to the moderator, even the weather services of his location in the US state of Colorado gave -25.5 degrees. And while he and his companion usually warm up in a Rivian electric pickup truck, they notice how the Tesla’s battery barely works at first.
While the Model 3’s display shows active supercharging at 5 kW, the 0 mph of new energy charged next to it indicates that all of the energy is being used to preheat the battery. Half an hour later, Tesla took 2 kWh from the supercharger, but hadn’t used any of it yet for an actual charge. This only starts after about 45 minutes, and it’s about 20 kilowatts. After an hour and 10 minutes of plugging in, the battery level has increased from 35 percent to 70 percent, and the charging capacity is a good 50 kilowatts. Then it takes another 15 minutes to reach the desired 90 percent.
In total, the YouTuber stood on his Model 3 Supercharger for about 90 minutes until the battery was recharged. He points out, however, that his testing should in no way be taken to mean that a Tesla always charges very slowly in extreme cold: a scenario like his, in which an electric car is practically frozen for two days before charging, does exist in fact. A better world than ever. At When approaching a supercharger after navigating, the battery heats up automatically, as can also be seen from Tesla’s post-load note. However, if you live near a supercharger and park outside, the frost effect can unfortunately still be appropriate, according to the YouTuber.
A mixed result with Nissan electric cars
The result of the same test with two versions of the Nissan Leaf electric car was a hybrid. It was difficult to connect Chademo’s bulky connector to the charging port of the newer two, as another video from Out of Spec shows. And to his surprise, according to Nissan’s announcement, it started charging immediately after that. After an hour, according to the column width, 5.2 kilowatt-hours of electricity, the Leaf’s battery indicator rose from 39 percent to 55 percent. All together can’t be perfect — and as the YouTuber feared, frost charging without preheating could be at the cost of battery health.
In the end, he even had to pull the first-generation Nissan Leaf off the loading bay with Rivian. According to the YouTuber, he parked this electric car at an 83 percent battery level, but after the two cold days outside it only showed 5 miles of range remaining. In order to be able to move at all, it first needed a donation of 12 volts from the other paper. Then it can be taken to the charging station, which also acknowledged the plug-in “start charging”. Then, however, a time-out message follows, after which the leaf system says goodbye. So Rivian has to go clear space in front of the pole – the YouTuber just wanted to start the next charge attempt with the early electric car from Japan at higher temperatures.
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