Revolutionary Battery Swap Technology Takes Off in China






In a groundbreaking development for the automotive industry, CATL's innovative ultra-fast battery swap technology is now being integrated into electric vehicles (EVs) across China. This new system, known as "Choco-SEB," allows EV batteries to be swapped within just 100 seconds, matching the convenience of traditional gas station refueling. The first vehicle to feature this cutting-edge technology, Changan Automobile’s Oshan 520, has already seen significant market interest with over 15,000 pre-orders placed. Starting at an affordable price point, this model represents a major step forward in making sustainable transportation more accessible.
A New Era for Electric Mobility
In the bustling city of Chongqing, where Changan Automobile is headquartered, the introduction of CATL’s Choco-SEB battery swap stations marks the beginning of a new era for electric mobility. On May 25, Changan proudly announced the delivery of its first batch of 1,000 Oshan 520 units. These vehicles boast an impressive range of up to 320 miles on a single charge and can achieve a full recharge in under two minutes through CATL's advanced battery swap process. Currently, there are 34 swap stations operational in Chongqing, with plans to expand to over 50 by year's end. By 2025, CATL aims to establish a network of 1,000 such stations spanning 31 cities nationwide.
This collaboration between CATL and prominent automakers like GAC, Chery, NIO, FAW, and BAIC signifies a collective effort to revolutionize the way people interact with electric vehicles. The technology not only simplifies charging but also enhances user experience by reducing wait times significantly. Officials witnessed firsthand how swiftly the process works during demonstrations, where vehicles gained over 310 miles of range in less than two minutes.
As part of their commitment to advancing green energy solutions, CATL has developed two distinct versions of the Choco-SEB technology tailored to different vehicle sizes. Their dominance in the global EV battery market continues to grow, holding nearly 29% share as per recent SNE Research figures.
From a journalist's perspective, this advancement showcases China's leadership in shaping the future of automotive technology. By addressing one of the primary concerns associated with EV adoption—charging time—CATL’s innovation could accelerate the global transition towards cleaner forms of transportation. It challenges other nations and companies to rethink strategies for enhancing both infrastructure and consumer accessibility in the rapidly evolving field of electric vehicles.