Key Takeaways
1. Svolt showcased the Fortress 2.0 battery with an 80kWh capacity, enabling PHEVs to exceed 249 miles of electric range.
2. The new battery cells feature ultra-fast charging technology, reaching 10 to 80% charge in just ten minutes at a 6C rate.
3. Svolt introduced Ion Oscillation Pulse Charging technology, which reduces charging times by 25% without increasing costs, set for integration in EVs by Q3 2026.
4. Progress in semi-solid-state batteries includes a first generation with 270Wh/kg energy density, and a second generation for eVTOLs at 342Wh/kg.
5. Svolt plans to manufacture a budget-friendly mid-nickel battery variant with 245Wh/kg by October 2026, contributing to its profitability strategy.
At the sixth Battery Day event in Changzhou, China, battery expert Svolt has showcased a new energy storage solution that goes beyond previous limits for plug-in hybrids (PHEV). The battery, known as Fortress 2.0, has a capacity of 80kWh and is tailored for larger family cars. Vehicles equipped with this battery could achieve an electric range exceeding 249 miles. In comparison, some all-electric cars today have a similar driving range.
Fast Charging Technology
The latest battery cells feature a unique graphite technology that enables ultra-fast charging capabilities. Svolt claims a charging rate of 6C, which means the battery can go from 10 to 80% charge in just ten minutes. Mass production is planned to begin in March 2026.
Innovative Charging Method
Alongside the new battery, the company introduced a new charging technique. The most recent version of the Ion Oscillation Pulse Charging technology aims to reduce charging times by 25% without raising costs. This technology is expected to be integrated into first electric vehicles by the third quarter of 2026.
Progress in Battery Development
Svolt has also made strides in creating semi-solid-state batteries. The initial generation of these batteries, boasting an energy density of 270Wh/kg, is currently being produced in limited quantities and could soon appear in a vehicle from a European manufacturer, likely referring to BMW’s Mini. In October 2025, Svolt confirmed it was working on tailored energy solutions for the brand. A second generation, designed for eVTOL applications, offers even higher density at 342 Wh/kg and has already been successfully tested in flight trials.
Affordable Options for Consumers
For the broader market, Svolt intends to start manufacturing a more budget-friendly mid-nickel variant with 245 Wh/kg in October 2026. Thanks to an innovative electrolyte transfer technology, these cells are reported to be notably resistant to thermal runaway. From a business standpoint, this strategy seems effective, as Svolt achieved its first quarterly profit in the last quarter of 2025, with plans to reach profitability for the entire year of 2026.
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