ZOE, Elektroauto, Foto: Renault
Since market launch in 2013: 99 percent of Renault ZOE batteries are still fully functional
Renault has published interesting statistics, according to which 99 percent of all batteries used in the electric bestseller ZOE E-Tech since the market launch in 2013 are still fully functional and have at least 70 percent of the capacity at the time of vehicle purchase. This applies to all battery types in the compact five-door – from the 22 kWh battery from the first years of production to the current 52 kWh battery.
Renault grants a warranty of eight years or 160,000 kilometers on purchased batteries from the ZOE E-Tech. In addition, the French manufacturer guarantees a minimum capacity of 70 percent of the value at the time of purchase over this period or the entire distance. So far, only very few customers have had to take advantage of this offer: Less than one percent of all ZOE batteries ever put into circulation in Germany fell below this mark and had to be replaced. This also applies to vehicles whose battery guarantee has already expired. This shows Renault: Concerns about declining performance of the power storage are unfounded.
Renault only uses lithium-ion batteries with a high energy and power density in the ZOE E-Tech. Intelligent battery management measures the temperature and voltage of each individual battery cell in the state-of-the-art power storage units and thus ensures that they neither overheat nor get too cold during operation and thus lose their performance. This sustainably protects the cell chemistry and thus creates the basis for a long and complication-free battery life.
However, if a rare battery defect occurs, Renault distinguishes whether the battery was purchased together with the vehicle or rented separately. If it is a rental battery, the customer receives a used but fully functional battery with a “State of Health” (SoH) that meets the warranty conditions. If this is worthwhile, the old battery is repaired and put back into circulation, either again as a traction battery for an electric vehicle or for stationary applications. It is different with purchased batteries: Here Renault always sends the battery for repair and then has it reinstalled in the vehicle. The battery is only replaced if the repair costs exceed the battery value. www.renault-presse.de
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