The 21700 lithium ion battery has become a popular choice for high-performance devices, combining compact size with impressive energy capacity. Among 21700 lithium ion cells manufacturers, Jawepower offers premium batteries designed to meet stringent technical requirements, ensuring reliable performance across applications like electric vehicles, power tools, and energy storage systems.
Key Electrical Specifications
A typical Jawepower 21700 lithium ion battery, such as the LR2170SZ-5000mAh, features a nominal voltage of 3.6V and a capacity of 5000mAh. This high-capacity design enables extended runtime for devices, reducing the need for frequent recharging. The standard charge current is 0.2C, while the maximum discharge current and continuous discharge current are both rated at 3C, providing stable energy output even under demanding conditions.
Another important specification is internal resistance, which affects efficiency and heat generation. The LR2170SZ-5000mAh battery has an internal resistance of 13–15mΩ, contributing to consistent performance and minimal energy loss during operation.
Physical and Structural Specifications
The 21700 battery has a compact cylindrical form factor measuring 21mm in diameter and 70mm in length, with a weight of approximately 70g ±2g. This combination of size and mass allows it to deliver high energy density while remaining lightweight, making it suitable for portable and high-demand applications.
Why Specifications Matter
Understanding the specifications of 21700 lithium ion cells is crucial for selecting the right battery for your application. Parameters such as voltage, capacity, discharge current, and internal resistance determine performance, safety, and reliability. Jawepower’s focus on precision engineering ensures that each battery meets these standards, providing clients with dependable power solutions.
Selecting Jawepower 21700 Lithium Ion Batteries
By analyzing detailed specifications like those of the LR2170SZ-5000mAh, users can make informed decisions when choosing 21700 lithium ion batteries. Jawepower combines advanced technology, high-quality materials, and rigorous testing to deliver 21700 lithium ion cells that offer long life, consistent performance, and safe operation, making them an excellent choice for professional and industrial applications.