Picture taken through the driver's side window into a car where a receipt is sitting in black clothes and holding a can.
Health status analysis

Analysis of the health of the battery in an electric car in 15 min

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DEKRA Battery test

Independent analysis of high-voltage battery health in 15 minutes

Should you buy or sell an electric car? Now you can find out how the battery is doing through DEKRA's unique battery test. DEKRA measures the health of the battery and reproduces the result on a scale of 0-100, in just 15 minutes.

It is becoming increasingly important to be able to quickly evaluate the battery condition of electric cars. The need is above all greatest in the growing market for used electric cars, as the battery is considered the most expensive component in an electric car. That makes battery health, or remaining capacity, a critical factor in determining an electric car's value.
An electric car being charged and a certificate on paper.
The VDN requirement is here – secure your own battery test solution with DEKRA
The Swedish Motor Industry Association, MRF and the Swedish Consumer Agency have introduced new product declarations for used cars. This is the first time that electric cars are covered by a special declaration. The new requirements require the battery health of used electric cars to be reported. To meet the new requirements, DEKRA Battery SoH Test – Certificate offers an independent test that measures the battery's actual health at rest and under load without being influenced by the car manufacturers' own algorithms. Read more about DEKRA's battery test for electric cars.
Hands holding an electric car battery test
Book a Battery Test
Book our electric car battery test and find out the capacity of your electric car battery in 15 minutes. Your booking is provisional until it is confirmed by email to you. Our customer service needs to verify that your electric car is one of the testable models. The booking confirmation will be sent by email after it has been processed.
DEKRA is therefore launching a new service that makes it possible to easily assess the value of the battery's state of health, SoH.
Anders Gagner-Geeber, CEO of DEKRA Automotive AB.
Our solution provides an independent result on the health of the battery that you can trust when you use, buy or sell a used electric car. At the DEKRA test facility, factory-new electric car batteries are tested to obtain an initial value of the battery's state of health. The results are entered into a database and used for the patented algorithm for calculating SoH. Each electric car is unique and each car model must undergo a week of rigorous testing in DEKRA's development unit in Germany.
7 advantages of DEKRA's battery test for electric cars:
  • Independent test results for battery health, SoH. The result shows the remaining battery capacity, i.e. the degradation from a factory-new electric car.
  • Simple three-step testing process: connect – accelerate – report.
  • Results in just 15 minutes.
  • Comparable results between different car models on the market.

Fast, easy and reliable

DEKRA's unique battery test consists of two parts. A statistical test where you first read data from the electric car's OBD socket using a dongle. In the subsequent dynamic test, the electric car is accelerated from standstill to around 40 km/h with the measuring equipment installed. The test takes a total of 15 minutes and is carried out at one of DEKRA's inspection stations.
- The big advantage is that we can provide a very reliable assessment in a very short time. No one else on the market offers such a fast method today, continues Anders Gagner-Geeber.
Overall, the static and dynamic test gives a result that reproduces the degradation of the electric car's battery. On the scale, 100 means the battery is brand new.
A used electric car shows a lower value due to factors such as age, number of charges and mileage.
The state of health of electric car batteries decreases relatively evenly at first, but after the battery has lost 20–30 percent of its initial capacity, the state of health falls faster. The loss of both range and performance thus has a greater impact on the car's usability.
Increased security for buyers and sellers
With DEKRA's battery test, the state of health can not only be accurately measured, but also give a clear and comparable result on the actual battery capacity and thus an indication of where the battery is in the degradation process. This allows you to compare the test results between different electric cars, which provides a unique opportunity for buyers of a used electric car to reliably compare different electric cars with each other.
DEKRA's battery test will be just as important in the assessment of a used electric car as today's product declaration, VDN. A knowledge that is invaluable when buying a used electric car.
- This is good news for car dealers, leasing companies and private individuals alike, as it provides a basis for more transparent sales negotiations, concludes Anders Gagner-Geeber.

Articles/press releases on Battery test and electric cars

Read below, or see all of DEKRA's articles and press releases here.

Would you like to know more about battery testing?

You can find more information about our battery testing solutions via the links below. There you will find, among other things, frequently asked questions and answers, as well as fact sheets.

Interest form

If you are interested in knowing more, fill out our interest form and we will contact you.
DEKRA Industrial AB

Lagergatan 5

415 11 Göteborg

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