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Misunderstanding with Consequences: Why Sporty Driving Doesn't Help the Electric Car Battery
The Austrian company Aviloo specializes in battery diagnostics. They are now explicitly warning against a misinterpretation of a study published in December 2024. The study in question, titled "Dynamic Cycling Enhances Battery Lifetime," dealt with various charging and discharging cycles in the laboratory—and found that so-called constant current cycles cause batteries to age faster than more dynamic processes. The term "dynamic" was subsequently erroneously equated with sporty driving behavior.
Laboratory is not the Road
The problem: The study was not about driving behavior on the road, but exclusively about laboratory test conditions. Two types of stress were compared—once uniform current flow, as occurs in classic tests, and on the other hand, varying stresses that come closer to the real energy demands of driving.
"The statement of the study is directed at battery research—not at the users behind the wheel," emphasizes Aviloo.
They have now been confronted with numerous misinterpretations. Therefore, they conducted their own field study with over 400 vehicles to provide clarity. All cars came from the same manufacturer and were equipped with identical battery types. Among other things, the average energy consumption in kilowatt-hours per 100 kilometers was recorded.
Those who accelerate hard consume twice as much
The results leave little room for interpretation: drivers with a moderate style had an energy consumption of 16 to 18 kWh/100 km. In contrast, those who frequently accelerate hard and drive fast—fitting the "lead foot" type—doubled this value to up to 30 kWh. Larger vehicles also proved to be particularly consumption-intensive: with SUVs, consumption was on average up to 9 kWh higher than with smaller models.
From the perspective of Nikolaus Mayerhofer, CTO at Aviloo, the connection is clear.
"A restrained driving style saves about ten percent energy over the lifetime of the vehicle. This directly affects the number of charging cycles and thus battery aging," says Mayerhofer.
In the long term, this means: the load status of a battery depends on the driving style - 110,000 kilometers of restrained driving or 100,000 kilometers of sporty driving result in a comparable load on the vehicle battery.
Higher Consumption Means Higher Strain
Peter Bednarik, Head of Research at Aviloo, also sees a problem in media portrayal.
"The original study wasn't about the daily life of EV drivers, but rather about how to better test batteries in the lab," he says.
Deriving from that the idea that sporty driving can spare the battery is simply wrong. Rather, high strain leads to more consumption, more charging cycles - and thus quicker wear.
Tips for Everyday Use
Therefore, Aviloo advocates for a pragmatic and practical approach. According to the experts, those who want to preserve the battery of their electric vehicle should consider the following:
- Driving style: Drive as evenly, anticipatively, and energy-efficiently as possible
- Preconditioning: Air-condition before departure – but only when plugged in
- Charging behavior: Avoid long idle times at charge levels above 80 percent
- Fast charging: Only when truly necessary
- Temperatures: Avoid extreme heat and cold when parking as much as possible
The experts are annoyed that the public discussion on the topic went in a different direction. The consequences of such misinterpretation can be real: If drivers erroneously believe that fast driving is good for the battery, not only does consumption increase, but the battery's lifespan can also suffer.
"The fact is: Higher energy consumption puts more strain on the battery," says Bednarik. This is clearly visible in the data - and cannot be argued away.
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