CATL Begins Commercial Production Of Sodium-Ion Batteries - CleanTechnica

CATL, the world’s largest battery manufacturer, has begun commercial production of sodium-ion battery packs designed for light commercial vehicles, marking a significant advancement in battery technology for electric vehicles (EVs). These sodium-ion batteries, part of CATL’s Techtrans II platform, can operate efficiently in extreme cold conditions down to -30°C (-22°F) and retain 90% capacity even at -40°C. The 45 kWh battery packs target small vans and trucks, emphasizing durability and cold-weather performance over long range. The Techtrans II series also includes various lithium-ion battery options, such as ultra-fast charging variants and long-range packs up to 253 kWh, capable of delivering 800 kilometers of range. CATL highlights the sodium-ion battery’s longevity, with a lifespan exceeding 10,000 charge cycles, and its certification under China’s new national standard GB 38031-2025. The company is also introducing swappable battery packs in multiple capacities (42 kWh,