LEAWAT’s ultra-high-rate 46-series large cylindrical battery achieves a full-dimensional flow-balanced design of structural components, completely eliminating internal and external tabs in the jelly roll. Complemented by 11 proprietary core technologies—including multiphase balanced conduction, SEI composite low impedance, field expansion, stress relaxation, and multi-stage venting—it strikes the ultimate balance between safety and performance, realizing ambitious goals in both rate capability and energy density.