Core Viewpoint - NIO is set to supply batteries to McLaren, utilizing its self-developed 4680 large cylindrical battery cells, with small-scale production expected to begin next year for use in McLaren's hybrid models [1][5]. Group 1: Partnership and Investment - CYVN Holdings, an Abu Dhabi government fund, completed its acquisition of McLaren and plans to integrate its UK operations, which includes managing McLaren's core business and its investments in electric vehicle startups [3]. - CYVN has invested a total of $3.3 billion (approximately 237.1 billion RMB) in NIO, becoming its largest shareholder with about 20.1% ownership [5]. - The partnership between NIO and McLaren is expected to benefit from CYVN's strategic investment, providing access to advanced technologies and expertise in electrification [5]. Group 2: Battery Development - The new 4680 cylindrical battery will be a novel project for NIO, with specifications similar to Tesla's solutions, and is expected to have a capacity of 10 kWh for McLaren's hybrid models [5]. - NIO's battery research department has seen a significant reduction in projects and personnel, with a 40% workforce cut, leading to the shelving of plans for self-developed battery cells for its flagship models [7][8]. - Despite the downsizing, NIO has not completely abandoned its self-developed battery initiatives, as evidenced by the launch of its first model under the Firefly brand equipped with its own battery pack [8].