21700 F40P (Developing) 4000mAh

21700 lithium-ion batteries have some performance advantages over other specifications of lithium-ion batteries. First of all, larger capacity means longer usage time. Secondly, the 21700 battery can provide higher discharge current due to its larger volume, which is suitable for high-power devices. In addition, 21700 batteries also have lower internal resistance, providing more stable voltage output and better performance.

Cylindrical Li-ion Cell

Li-ion Battery Pack

Energy Storage Lithium Battery

Prismatic Cell

Advantages of 21700 Lithium-Ion Batteries in Different Fields

High capacity: 21700 lithium-ion batteries have a larger capacity than other specifications of lithium-ion batteries.

High Energy Density: This makes the 21700 battery an ideal choice for portable devices and high power devices, providing longer usage time and higher performance.

High discharge rate: This makes them excellent in applications that require high power output, such as power tools, electric vehicles, and drones. The high discharge rate ensures that the device receives sufficient energy supply to support its normal operation.

Fast Charging Capability: Its design and construction allow it to accept higher charging currents, resulting in shorter charging times.

Reliability and safety: The lithium battery 21700 has adopted a variety of safety protection measures during the design and manufacturing process to ensure the safety of the battery during charging and discharging and reduce potential risks.