LION E-Mobility AG is a Swiss holding company that owns strategic investments in the e-mobility sector, including LION Smart GmbH, a developer of battery packs and management systems. LION Smart GmbH also holds a 30% share in a joint venture with TÜV SÜD AG called TÜV SÜD Battery Testing GmbH, which provides battery testing services. The companies focus on developing and testing battery technology for electric vehicles.