Yintian 21700 high capacity battery cell

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.

What is a 21700 58E cell?

21700 58E: High Capacity & Long Durability The released high-capacity 21700 58E cells adopt 9-series high-nickel materials while the negative electrode uses high-capacity high-pressure compacted graphite mixed with silicon-based materials.

What is an unprotected 21700 battery?

Unprotected 21700 Batteries: Designed for battery packs or high-performance applications where external battery management systems (BMS) handle protection. 21700 batteries are becoming the industry standard for devices requiring longer runtime and more power. Some common applications include:

What is the energy density of 21700 58E?

Effectively achieve an energy density of 223Wh/kg, 100A continuous discharge, the product can support 500 cycle times at 50A high rate and discharge at -40°C, which will be mass produced in 2023. 21700 58E: High Capacity & Long Durability

What is a 21 mm battery?

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. They are widely used in electric vehicles, industrial equipment, flashlights, and renewable energy storage.

How many Mah can a C33 and C40 battery hold?

The mass-produced 18650-series cells can meet different capacity requirements (1500, 2000, 2500, 2550, 2850, 3000, 3200, 3450mAh, etc.); the 21700-series can meet capacity requirements of 4000 and 5000mAh while C33 and C40 can meet the capacity requirements of 15.5Ah and 20.5Ah respectively.