Game Changer: China’s Inexpensive Semi-Solid-State EV Enters Production

china revolution

With the start of manufacturing of the new MG4 electric hatchback, MG is making history as the first mass-market electric vehicle worldwide to feature a semi-solid-state battery. It is a major advancement that promises to change the affordable electric vehicle industry. Chen Cui, the General Manager of MG Brand Division, stated during a press conference held on July 17 that the official debut of the car is set for August 5. But the pricing, rather than the technology, is what really grabs one’s attention.

Only 5% of QingTao Energy’s semi-solid-state EV battery’s liquid electrolyte marks a significant step toward meeting the long-awaited aim of real solid-state technology. Importantly, MG claims that the 70 kWh battery pack offers a CLTC-rated range of 537 kilometres (about 333 miles) and performs better in cold conditions than traditional lithium-iron-phosphate (LFP) batteries. At –7°C, range retention is said to be 13.8% better, a characteristic that could appeal to residents in colder areas.

China begins production of semi solid state EVs

Also very important are safety elements. MG asserts that the new semi-solid-state EV  battery passed a demanding 360-degree puncture test, a result that greatly builds consumer trust in cutting-edge battery technology. Rated at 180 Wh/kg, the energy density of this semi-solid-state EV battery is considerably above many LFP batteries in a similar class.

The pricing is most amazing, though. Chen Cui confirmed that the MG4 will be available at a price range of 80,000 to 120,000 Yuan, which is approximately $11,000 to $16,400 USD. With its greater range, rear-wheel drive, and a more potent motor, MG is optimistic that customers will see a major improvement, therefore positioning it directly against the BYD Dolphin, the best-selling small electric vehicle in China.

Unlike the front-wheel-drive Dolphin, the MG4 runs a 120 kW rear-mounted motor that drives the rear wheels, a configuration that usually improves handling abilities. Moreover, at 4,395 mm long and a 2,750 mm wheelbase, the MG4 is somewhat bigger than many of its rivals. 

Read further on LG Energy Solution Powers Chery’s EV Ambitions with Major Battery Deal.

Follow Me: Freelance Writer Profile Summary Michael Gooderham is a freelance automotive content writer currently working with AdvisorWheels. He has a background in Automotive Design and several years of experience writing in the same field. Michael specializes in creating well-researched, engaging content related to cars, motorsports, and vehicle design. He has previously written for Car & Classic, Goodwood Road Racing Company, and Car Design News. His work reflects a strong technical understanding of automotive writing, enabling him to explain complex topics clearly and concisely. At AdvisorWheels, Michael's role involves crafting various types of written content—such as blog posts and articles—with accurate information, thorough research, and smooth narrative flow. Education Degree in Automotive Design from the University of Wales Trinity Saint David (2012–2015) Expertise Automotive Writing Car Reviews Design Features Motorsport Writing Copywriting Research Experience Currently working with AdvisorWheels as a Freelance Automotive Content Writer Previously contributed to Car & Classic, Goodwood Road Racing Company, and Car Design News in various roles <!-- Optional Sections (Commented Out) Publications "Bond, Transfer Length, and Development Length of Prestressing Strand in Self-Consolidating Concrete" (Thesis · June 1, 2012) Honors & Awards Honored with the PCI Daniel P. Jenny Fellowship – Awarded by PCI for evaluating the validity of the NASP Bond Test in concrete as a predictor of the transfer length of prestressing strands --> Interests Cars and Design Innovations Photography Live Music and Concerts Words from Michael Gooderham Hello friends! I’m Michael Gooderham—a car lover turned automotive writer. I studied car design, but found myself more drawn toward writing about the industry. Over the years, I’ve developed a passion for making complex automotive topics clear and easy to understand. I strive to explore every detail thoroughly to offer complete knowledge to readers. Outside of work, you’ll usually find me behind a camera, at a concert, or learning more about cars and design innovations.