82 Old laptop batteries could power slums in India: study
Washington: Discarded laptop batteries still have enough life in them to power slums in India and other developing countries, a new study by IBM India has found. The research presented at a conference in San Jose, US, analysed a sample of discarded batteries and found 70 per cent had enough power to keep an LED light on for more than four hours a day for a year. According to researchers […]