At a leading international battery summit in March 2026, John H. Kwon, global chief legal officer of Contemporary Amperex Technology Co. Limited (CATL), sketched a future in which battery manufacturers increasingly take responsibility for the vehicle’s underpinnings — the battery pack, chassis and related powertrain components — while traditional automakers concentrate on the car’s exterior and digital services. Kwon framed this as a structural shift that will change the industry’s paradigm, freeing carmakers to focus on connectivity and user-facing differentiation.
The remark carries weight because CATL is the world’s largest battery supplier and a bellwether for the EV supply chain. In recent years battery firms have pushed far beyond cell chemistry: innovations such as cell-to-pack integration, battery module standardisation, e-axles and high-voltage platforms have made it technically and commercially feasible for a battery company to supply whole propulsion subsystems rather than just cells.
If battery-makers embrace chassis and power electronics, they would control not only range and charging characteristics but also much of a vehicle’s performance envelope. That changes bargaining power across the value chain: hardware that for decades sat within OEM control could become a commoditised, outsourced bundle supplied by a handful of large battery groups. For automakers this risks squeezing margins on the mechanical core while increasing the premium on software, in-car services and brand experience.
For carmakers the upside is strategic clarity. Relieved of the need to engineer and produce the heavy, regulated hardware, they can double down on connectivity, human–machine interfaces, autonomous driving stacks and subscription services — the areas where differentiation and recurring revenue are most feasible. The model mirrors parts of the consumer electronics industry, where commodity components are supplied by specialist manufacturers while brands focus on design, ecosystems and customer relationships.
The shift would also carry material and geopolitical consequences. Concentrating critical EV components in a few suppliers increases supply-chain vulnerability and geopolitical leverage over vehicle producers, particularly as battery raw materials and production capacity remain unevenly distributed globally. Regulators may take renewed interest in competition, safety standardisation and intellectual-property boundaries as teams that once negotiated cell contracts begin to supply integrated drive modules and chassis assemblies.
Consumers and secondary markets will feel the effects too. Aftermarket repair, battery replacement, recycling and end-of-life services could consolidate under battery makers or their partners, reshaping ownership economics. Meanwhile, competing technical approaches — battery swapping, rapid charging and advances in cell chemistry — will determine whether the downstream control promised by battery suppliers becomes an enduring commercial advantage or a contested battleground.
The development is not inevitable, but it is accelerating. Watch for deeper alliances between battery firms and vehicle brands, acquisitions of motor and inverter specialists by cell producers, and regulatory scrutiny in markets worried about concentrated suppliers. How OEMs respond — by vertically integrating, partnering closely, or reinventing themselves as software-first mobility companies — will define the next phase of the global auto industry.