Photo Credit:Fair Use [17 U.S.C. § 107] SAIC MG4 is first production EV to be equipped with semi-solid state battery.

SAIC's MG4 Leads World in Deployment of Semi-Solid-State Battery

17 Oct 2025 | Abstracted from The Cool Down

China's SAIC MG has launched the MG4, the first mass-produced EV with a semi-solid-state battery using manganese-based lithium-ion chemistry. This breakthrough offers higher energy density, improved safety, and environmental benefits over traditional LFP batteries. Approved for sale in China, the MG4 signals a major leap in EV tech - underscoring China's lead in battery innovation and cost-effective electric mobility

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