Gen-1 semi-solid-state pack (140 Ah) to power BMW MINI’s next-gen model from 2027.
an–May 2025: Svolt ranked 10th globally with 10.5 GWh, up 110 % YoY.
On July 22, Yang Hongxin, CEO of SVOLT Energy, revealed that the company will trial-produce its first-generation semi-solid-state battery with a capacity of 140Ah in Q4 2025 on a 2.3GWh mass production line. This battery will be supplied to BMW MINI’s next-generation models starting in 2027.
According to reports, SVOLT’s semi-solid-state battery employs proprietary “Separator Transfer Technology” and “Thermal Composite Transfer Solid-State Electrolyte Technology,” achieving four breakthrough advantages:
- Energy density of 300Wh/kg (Phase 1) with costs below industry average;
- Full compatibility with existing liquid battery production lines, eliminating redundant investments;
- Utilization of stacking process to resolve solid electrolyte brittleness issues, achieving yield rates exceeding 90%;
- Second-generation products will reach 360Wh/kg energy density, with all-solid-state batteries targeting 400Wh/kg for the eVTOL market.
From January to May 2025, Svolt Energy reached 10.5 GWh of installed battery capacity, ranking tenth worldwide. Its year-on-year growth rate of 110.1 % was the only triple-digit increase among the global top-ten suppliers. Beyond already supplying Stellantis Group and the BMW MINI brand at scale, Svolt has this year added new overseas customers in the power-battery segment such as VinFast and Hyundai-Kia.
From January to May 2025, SVOLT Energy secured the 10th position globally with 10.5GWh of installed capacity, achieving a staggering 110.1% year-on-year growth – making it the only enterprise within the global top 10 to attain triple-digit growth.
Additionally, beyond its existing large-scale supplies to Stellantis Group and BMW MINI, SVOLT has expanded its client portfolio this year within the EV sector to include new overseas customers such as VinFast and Hyundai-Kia.
From January to May 2025, the company’s overseas battery shipments soared 317 % year-on-year, the fastest growth rate among the world’s top-ten battery makers. For the full year, it expects overseas shipments to rise 94 %, accounting for roughly 26 % of Svolt Energy’s total annual volume.
Svolt’s energy-storage solutions have already entered markets across Europe, the Middle East, and the Asia-Pacific region. With more than 200 projects completed in over 30 countries, the company forecasts cumulative storage sales of about 5 GWh in 2025 and 8 GWh in 2026.
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