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BMW Group and Vattenfall start new research project on the secondary use of EV batteries

Green Car Congress

BMW Group and Vattenfall have started a new research project on the secondary use of high-voltage EV batteries using batteries from the MINI E and the BMW ActiveE as stationary power storage.

BMW 239
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BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

Green Car Congress

This system can enable energy produced from solar panels to be used more efficiently. Following in-vehicle usage, the BMW i3 battery retains most of its original capacity, thus continuing to offer years of emissions free power storage and expanding the sustainability concept beyond the individual vehicle life.