MG4 Launch Marks New Era in Electric Vehicles with Groundbreaking Semi-Solid-State Battery Technology
In a significant stride forward for the new energy vehicle industry, SAIC Motor, through its MG brand, has unveiled the MG4 equipped with a groundbreaking semi-solid-state battery, developed in collaboration with Qingtao Energy. This launch, streamed live at 7:30 PM local time, marks a pivotal moment in electric vehicle (EV) technology, making the MG4 the world's first mass-produced car to feature such a battery. The semi-solid-state battery is noted for its significantly low electrolyte content of just 5%, an impressive energy density surpassing 300Wh/kg, and its ability to pass a stringent full Battery Safety Test, including a 360-degree needle penetration test, underscoring its enhanced safety features.

5 August 2025
The announcement has garnered widespread attention not only for the technological milestone it represents but also for its competitive pricing strategy. With pre-sale prices for the MG4 starting at 73,800 RMB (approximately $10,300 USD), and the impending reveal of the semi-solid-state "Anxin Edition" price in September, the MG4 is set to make advanced battery technology accessible to a broader audience. Batch deliveries are expected to commence within the year, a move that aligns with SAIC MG's strategic push in the new energy vehicle market and positions the MG4 as a formidable competitor to models like the BYD Dolphin.
The MG4 also boasts a new car machine system, an outcome of SAIC's self-developed architecture integrated with OPPO's ecosystem, powered by the Qualcomm Snapdragon 8155 chip. This feature, along with the car's sleek design and a drive motor capable of delivering a maximum power of 120 kilowatts, has contributed to the buzz surrounding the model's release.

Public and industry reactions to the live-streamed launch have been overwhelmingly positive, with a focus on the affordability and technological advancement the MG4 brings to the market. Sentiments of value for money, technological superiority, and surprise at the affordability of such advanced technology dominate the discourse. The collaboration with OPPO, enhancing smart features and seamless phone-car connectivity, has also been well-received, highlighting the convenience and user-friendly approach of the MG4.
The launch of the MG4 semi-solid-state version has profound implications across various sectors. Technologically, it signifies a major advancement and adoption of semi-solid-state batteries, previously considered challenging and costly for mass production. The move suggests a maturation in the supply chain and manufacturing processes, potentially pressuring other EV manufacturers to ramp up their research and development efforts in next-generation battery technologies.
From a societal perspective, the enhanced safety and performance of the semi-solid-state battery directly address significant concerns for EV adoption, including thermal runaway and fire risks. The democratization of advanced battery technology, making it accessible to a wider consumer base, could shift perceptions of EVs from a compromise to a superior and safer choice for everyday transportation.
Politically, the introduction of the MG4 aligns with China's national strategy to lead in the new energy vehicle sector, strengthening its position in global automotive and battery technology markets. The model's strong sales in Europe and the incorporation of advanced battery technology exemplify China's technological capabilities on the international stage, potentially influencing global regulatory standards for EV safety and performance.

As the world watches the adoption and performance of the MG4, the implications of this launch will likely reverberate across the automotive industry, signaling a new era of competition and innovation in the EV market.
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