Second lease of life for used batteries

Swiss Post has a total of over 6,300 electric Kyburz DXP scooters in service. (C
Swiss Post has a total of over 6,300 electric Kyburz DXP scooters in service. (Copyright: Kyburz Switzerland AG)
What can we do with aging scooter batteries' Instead of scrapping them and recycling their components, the batteries could be left intact and re-used in a solar power storage cabinet. This is precisely what a pilot project by the Swiss Post and with participation of Empa is trying to do. Since January 2017, Swiss mailmen have been out on their rounds on Kyburz DXP electric three-wheelers as all gasoline scooters have been phased out. The first Kyburz three-wheelers were purchased in 2010. Meanwhile, the Swiss Post has a total of over 6,300 electric scooters in service. After eight years of hard work on behalf of the postal service day in, day out, however, the capacity of the batteries has dropped to between 70 and 95 percent, which means they are no longer powerful enough for the scooters. In the next few years, so much is certain, thousands of used batteries will accumulate.
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