BAK Showcases High-Performance Cylindrical Cells for Global E-Bike Market

BAK Large Cylindrical Batteries deliver enhanced safety, superior performance, and competitive value, with a diverse product matrix empowering the electric two-wheeler sector's next phase.

At the recent 5th EV Two-Wheeler Battery Swapping Conference in Shenzhen, Teng Xiaobo, BAK Battery's Cell Technology Director, presented on "High-Performance Cylindrical Battery Tech for Light Electric Vehicles." Addressing core e-bike market challenges, Teng highlighted BAK's breakthrough full-tab large cylindrical battery technology and its carefully engineered product portfolio, injecting robust technical momentum into global industry advancement.

Full-Tab Tech Sets New Safety & Performance Benchmarks

Teng detailed BAK's core innovation: full-tab cylindrical technology. Revolutionary structural optimization delivers comprehensive gains: internal resistance reduced by over 80% boosts energy efficiency; temperature rise cut by over 80% significantly enhances safety; cycle life achieves multi-fold improvements, extending usable lifespan.

Safety-wise, unique venting technology enables these cells to pass rigorous tests, achieving "zero thermal spread." Crucially, these gains come without cost penalties. Analysis shows cylindrical cells in the 15-50Ah range offer higher production efficiency, lower manufacturing costs, and superior yield compared to prismatic or pouch alternatives.

Precision Product Matrix Meets Diverse Global Needs

Leveraging this full-tab foundation, BAK developed three large cylindrical products for distinct light mobility segments:

• PRO-M Series (46-Series): Targets China's cost-sensitive, safety-regulated e-bike market. Supports 25-minute fast charging, exceeds 2000 cycles, and meets all critical GB safety standards (GB43854, GB36672, GB38031) while optimizing cost.

• High-Performance 33Ah (46-Series): For premium e-motorcycles demanding power and range. Features high-nickel ternary/silicon anode materials and full-tab structure, delivering 275Wh/kg density, 2000+ cycles, ultra-low 0.8mΩ resistance, and 15-minute ultra-fast charging.

• Value 23Ah (46-Series): For international markets prioritizing cost-effectiveness. Offers 20-minute charging, 2500+ cycles, 20% lower cost than pure ternary systems, excellent low-temperature performance, and maintains "zero thermal spread" safety.

Driving Industry Upgrade Towards Sustainable Future

"Full-tab cylindrical technology represents a major structural breakthrough for BAK," emphasized Teng. "Its low resistance, high safety, long life, fast charging, and thermal performance perfectly meet the stringent demands of light electric vehicles."

BAK's tailored portfolio – balancing safety, performance, and affordability – aims to provide optimal solutions for global customers, accelerating the electrification of light transportation.

Edit by paco

Last Update:2025-07-19 11:11:39