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A UK startup called Nyobolt made an electric car battery that was able to charge from 10% to 80% in four minutes and 37 seconds. This was the battery's first live test.
On a test track in Bedford, a specially built idea sports car made it possible. This is part of an effort by the whole industry to make charging for electric vehicles (EVs) faster.
A Tesla boost, on the other hand, can charge a car battery to 80% in 15 to 20 minutes.
Getting rid of "range anxiety" is a big part of getting more people to buy EVs, but they also stress how important it is to improve the charge infrastructure.
Prof. Paul Shearing of Sustainable Energy Engineering at Oxford University told the BBC, "It's really important to work on technology that lets people charge faster, which fits with how long it takes to refuel a car right now."
He did say, though, that there should be more charges of all kinds.
"No matter what kind of car they have, people will want fast-charging infrastructure. Everyone wants to do this faster," he said.
This week, the Nyobolt battery was tried on a sports car over two days. After four minutes, it had a range of 120 miles.
Most of the time, a Tesla charged to 80% would go up to 200 miles.
The co-founder of Nyobolt, Dr. Sai Shivareddy, told the BBC that he was happy with the results but that the tests had been "nerve-wracking."
The demo was shown live for the first time to a group of workers in the field who had been invited. There were a few problems along the way.
The heatwave in the UK, a problem with the concept car's cooling system, and a common on-site charger that wasn't made by Nyobolt were all problems.
The company couldn't get the lab data it says show that the battery can charge from 0% to 100% in six minutes because of these things.
Still, Dr. Shivareddy called the event "a big milestone for electrification" and joked that his own car was still charging because he had put it in when he got there earlier that day.
Nyobolt says it doesn't want to make its own cars. Instead, it wants to work with current car companies to put their batteries in EVs "on a small scale" within a year.
People in the UK can get the powerful 350kW DC quick chargers that it needs, but they aren't widely available yet.
The company also says it has kept degradation to a minimum; after 4,000 rounds, the battery still charges to 80%.
It's possible for a full cycle to happen at different times. In this case, one cycle would be two 50% charges.
Apple says that after 1,000 rounds, the iPhone 15 battery will still work 80% of the time.
Strength, weight, and long life
The race is on to make batteries that charge faster, are stronger, lighter, and last longer.
Toyota said last year that it had made a big step forward in technology that would allow it to make a solid-state battery that could be charged in ten minutes and last for 1,200 km (754m).
And an electric car can get an extra 200 miles of power in less than 13 minutes with a small charger made by an American startup called Gravity.
A lecturer in chemical engineering at Strathclyde University, Dr. Edward Brightman, said that while fast charging was helpful for long trips, the real problem with electric vehicles was still the infrastructure that needed to support them.
He said, "Electric cars aren't really limited by the batteries anymore."
"Right away, we need to improve the grid and put in place rapid chargers that can charge the batteries."
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On a test track in Bedford, a specially built idea sports car made it possible. This is part of an effort by the whole industry to make charging for electric vehicles (EVs) faster.
A Tesla boost, on the other hand, can charge a car battery to 80% in 15 to 20 minutes.
Getting rid of "range anxiety" is a big part of getting more people to buy EVs, but they also stress how important it is to improve the charge infrastructure.
Prof. Paul Shearing of Sustainable Energy Engineering at Oxford University told the BBC, "It's really important to work on technology that lets people charge faster, which fits with how long it takes to refuel a car right now."
He did say, though, that there should be more charges of all kinds.
"No matter what kind of car they have, people will want fast-charging infrastructure. Everyone wants to do this faster," he said.
This week, the Nyobolt battery was tried on a sports car over two days. After four minutes, it had a range of 120 miles.
Most of the time, a Tesla charged to 80% would go up to 200 miles.
The co-founder of Nyobolt, Dr. Sai Shivareddy, told the BBC that he was happy with the results but that the tests had been "nerve-wracking."
The demo was shown live for the first time to a group of workers in the field who had been invited. There were a few problems along the way.
The heatwave in the UK, a problem with the concept car's cooling system, and a common on-site charger that wasn't made by Nyobolt were all problems.
The company couldn't get the lab data it says show that the battery can charge from 0% to 100% in six minutes because of these things.
Still, Dr. Shivareddy called the event "a big milestone for electrification" and joked that his own car was still charging because he had put it in when he got there earlier that day.
Nyobolt says it doesn't want to make its own cars. Instead, it wants to work with current car companies to put their batteries in EVs "on a small scale" within a year.
People in the UK can get the powerful 350kW DC quick chargers that it needs, but they aren't widely available yet.
The company also says it has kept degradation to a minimum; after 4,000 rounds, the battery still charges to 80%.
It's possible for a full cycle to happen at different times. In this case, one cycle would be two 50% charges.
Apple says that after 1,000 rounds, the iPhone 15 battery will still work 80% of the time.
Strength, weight, and long life
The race is on to make batteries that charge faster, are stronger, lighter, and last longer.
Toyota said last year that it had made a big step forward in technology that would allow it to make a solid-state battery that could be charged in ten minutes and last for 1,200 km (754m).
And an electric car can get an extra 200 miles of power in less than 13 minutes with a small charger made by an American startup called Gravity.
A lecturer in chemical engineering at Strathclyde University, Dr. Edward Brightman, said that while fast charging was helpful for long trips, the real problem with electric vehicles was still the infrastructure that needed to support them.
He said, "Electric cars aren't really limited by the batteries anymore."
"Right away, we need to improve the grid and put in place rapid chargers that can charge the batteries."
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