21700 battery cell purchase price

What is a 21700 battery?

A 21700 battery is a high-capacity, rechargeable lithium-ion cell designed for superior energy efficiency and performance. With a standard size of 21mm in diameter and 70mm in length, these batteries were developed as a next-generation improvement over 18650 cells, offering increased power output, extended runtime, and higher energy density.

Are 21700 lithium ion batteries rechargeable?

The 21700 lithium ion battery is rechargeable. They can be charged and discharged multiple times, providing long-term, reliable energy support. The 21700 batteries are versatile. You can see them in electric vehicles, power tools, drones, energy storage systems, and more. The 21700 batteries are becoming more widely adopted.

Are 21700 batteries safe?

Unprotected 21700 batteries: Lack built-in safety features and are generally used in battery packs with external battery management systems (BMS). 21700 batteries are widely used in: Electric vehicles, with companies like Tesla and other manufacturers using them in battery packs for improved energy storage and performance.

Which 21700 batteries are suitable for high-performance applications?

They are suitable for high-performance applications, providing increased energy density. Legend Battery is a leading 21700 battery supplier. We provide high-performance and high energy-density battery solutions. Our 21700 cells are mainly from Samsung, LG, Panasonic, Murata, and Molicel.