By Nick Carey LONDON (Reuters) – French battery startup Verkor has raised 250 million euros ($248 million) from investors to fund a battery “megafactory” on its way to building a much larger plant to produce batteries for its customer Renault, the company said on Wednesday. Verkor, which is based in Grenoble, said investors in the funding round included French bank Societe Generale, German industrial company Siemens and the European Investment Bank, which put in 49 million euros. The funding round comes after the company raised 100 million euros from investors in 2021. Verkor is one of a handf…