https://www.reuters.com/article/us-autoshow-frankfurt-daimler-electric-d/daimler-to-source-battery-cells-from-farasis-energy-idUSKCN1VV29G >Daimler has struck a deal to buy lithium ion battery cells from Farasis Energy, a Chinese-American supplier that is building a factory in east Germany to help Mercedes-Benz ramp up electric vehicle production, it said on Tuesday.