.Rivian R1T's fast-charging speed improved with an over-the-air update:
When we originally tested the charging capabilities of an early-build 2022 R1T Launch Edition in November 2021, it managed a peak of 185 kilowatts. The peak came around 25 percent state of charge and held for roughly one minute before quickly retreating.
Our updated test this summer followed an OTA update from Rivian which enabled support for 500 amp charging. Following the update, charging started from 10 percent pushing 191 kilowatts, 81 more than previously, and continued to a peak of 199 kW at 27 percent state of charge. This time the Rivian held the peak charge rate for two minutes facing a similarly sharp decline in charge rate.
Comparing the updated test numbers to the F-150 Lightning's is a good example of average charge rate providing a better picture of charge rate than peak numbers. While the R1T hits a peak of nearly 200 kilowatts, the Lightning only manages 163. Despite the lower peak, the Ford, with a battery pack that holds slightly more energy, completed our test three minutes faster than the Rivian while also edging past it by an average of one kilowatt.
Rivian has announced that further OTA updates will bring peak charge rates over 300 kilowatts. That would place it in contention with some of the industry leaders. Lucid, for example has reached the highest peak charge rate of any EV we've tested at 297 kW, enabling the Lucid Air Grand Touring to add 100 miles of real-world highway range in just eight minutes. Our newly crowned, managed to go from 10–80 percent state of charge in only 18 minutes thanks to its 800-volt architecture.
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