
Levels of battery degradation among used EVs are low, according to research by Arval.
The leasing company said it had studied 8,300 battery health certificates produced for used EVs and plug-in hybrids from 30 different brands it sold between March 2023 and November 2024, in eight countries.
It said these revealed an average battery health level of 93%, while 98% of the vehicles studied had a battery health level above 80%.
In addition, Arval said that the average battery health after driving 43,000 miles was 93%, while after 124,000 miles the average remained close to 90%.
Arval UK remarketing director Gary Burns said: “In the UK, state-of-health of the battery is an important factor for our buyers – both consumers and motor dealers. In 2024, we began testing on our used EVs at some UK sites, with around 1,400 used cars going through this process so far.
“Our solution displays the data the car holds on its current state of battery health to show how much of the battery capacity is still usable. The information can then be shared with our customers so they have a current view of the performance of the battery.
“As a growing number of customers transition to battery electric vehicles, it’s vital that we’re transparent throughout our sales processes. Battery health is an important factor when it comes to electric vehicles, so buyers need access to clear, accurate details.
“This initiative does that, and is a key part of our broader commitment to electric vehicle education and supporting our customers in making sustainable, informed choices.”