The Audi Environmental Foundation is supporting the nonprofit start-up company Nunam of German-Indian founder Prodip Chatterjee. The 29-year-old is working to prevent premature recycling of electronic waste. Nunam buys discarded laptop batteries from scrap dealers in the Indian state of Karnataka and uses their battery cells for stationary energy storage systems. The resulting power banks can supply electricity to items that consume small amounts of power such as smartphones, fans or lamps, and can serve as a power source for people in rural areas of India. Nunam has so far found that old laptop batteries have an average remaining capacity of approximately two thirds.
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