21700 Cylindrical Lithium-ion Cell

The 21700 cylindrical lithium battery is a new generation of high-performance cylindrical battery upgraded and iterated on the basis of 18650. Its specification design of 21mm diameter and 70mm height achieves dual improvement in energy density and power density by optimizing cell materials and production processes. By using a high-nickel ternary material system and advanced winding technology, this battery not only maintains the advantages of a cylindrical battery structure but also effectively improves the storage capacity per unit volume. It supports fast charging above 1C and excellent high-rate discharge performance, meeting the instantaneous high-power requirements of equipment.

Mainly used in high-end electric tools, electric bicycles, medium and large unmanned aerial vehicles, portable energy storage power sources, and other fields; It is also widely used in the field of electric vehicles, providing vehicles with stronger power and longer range; Suitable for both smart devices and outdoor equipment that require high battery performance.