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Hyundai and mobile.de piloting battery certificate for used electric cars

In a pilot project, mobile.de is offering Hyundai car dealers the opportunity to use battery certificates to market their used electric vehicles. This makes mobile.de the first car trading platform in Germany to offer the integration of battery condition certificates. From mid-February, the new function will be tested and further developed in a comprehensive test together with Hyundai Motor Germany.

Lack of knowledge about the condition of the battery is a common obstacle to the purchase of used electric cars; around 92% of users of mobile.de, Germany’s largest vehicle market, consider battery certificates to be very helpful when making a purchase decision.

Through the cooperation of Hyundai Motor Deutschland GmbH with mobile.de, the new function is now being gradually further developed. As part of a test phase, partner dealers of the used car program “Hyundai Promise” carry out a battery diagnosis and receive the corresponding certificate from the battery service provider AVILOO. The corresponding advertisements can be found on mobile.de with a new search filter and on the basis of markings on the search result and detail pages.

The joint test pilot is initially designed for six months and is intended to contribute to customer orientation in the growth market for used electric vehicles.



I would have thought that any sensible person would need to have a good insight into the condition of the battery before purchasing a used BEV.


Some providers already offer independent battery health testing, but presumably this includes some sort of warranty, since it is approved by the manufacturer. The unfortunate problem with this kind of test is that you generally need to run the battery from 100% to nearly 0% in order to get and accurate report. That takes hours of labour, so it might be more economical to play the odds and offer something like a 6-month money back guarantee instead.


I'd recommend that anyone buying a used BEV should do that during the winter months. Test drive a BEV after being charged to 80% during harsh winter conditions and note the mileage performance of the vehicle. If the battery performs below practical expectations then don't purchase. If the performance is up to expected par, then the battery will surely meet expected performance in the summer.

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