Greetings from Sunpower New Energy– your reliable provider of innovative energy solutions. We are thrilled to present the remarkable Sunpower 21700 Li-ion cell. Crafted with state-of-the-art techniques, this cell delivers unparalleled efficiency and security, making it ideal for enterprises operating in hot conditions. In this piece, we will delve into the distinctive characteristics and advantages of Sunpower 21700 Li-ion cell, highlighting its anti-expansion abilities, exceptional safety record, prolonged battery lifespan, and other noteworthy attributes.

Introducing the Sunpower 21700 Li-ion Cell

At Sunpower New Energy, we are proud to offer the revolutionary Sunpower 21700 Li-ion cell. This advanced cell is designed to meet the power demands of modern businesses, delivering unmatched performance and reliability.


Anti-Swelling Performance and High Safety Standards

The Sunpower 21700 Li-ion cell sets itself apart with its superior anti-swelling performance and high safety standards. It is specifically engineered to withstand high temperatures without compromising safety. With this cell, you can have peace of mind knowing that your power solution is up to the task, even in the most demanding conditions.


Unmatched Performance at High Temperatures

When it comes to performance, the Sunpower 21700 Li-ion cell excels. With a swelling rate of less than 2% and no risk of fire or explosion at temperatures as high as 120℃, this cell guarantees the utmost safety and reliability in extreme environments. Whether you operate in hot climates or under rigorous thermal conditions, our Li-ion cell will keep your business running smoothly.


Long Battery Cycle Life for Sustained Power

We understand the importance of reliability and endurance in your power solutions. The Sunpower 21700 Li-ion cell boasts an impressive battery cycle life of over 600 cycles, ensuring long-lasting power for your business needs. With this extended lifespan, you won’t have to worry about frequent replacements or downtime, allowing you to focus on growing your business.


Supporting High Temperature Climate Applications

Sunpower 21700 Li-ion cells are the solution of choice for applications that require reliable power in hot climates. Whether used for engine starting batteries; smart robots; electric bikes/motorcycles/scooters, golf carts/trolleys/sightseeing vehicles; power tools; and more, these batteries provide a powerful and reliable energy storage solution.


Wholesale Opportunities for Your Business

Sunpower New Energy is delighted to provide wholesale options for businesses looking to harness the power of our 21700 Li-ion cell. With competitive pricing and uncompromising quality, partnering with Sunpower means gaining access to a trusted brand that prioritizes performance, safety, and customer satisfaction.



The Sunpower 21700 Li-ion cell offers an unrivaled solution for businesses seeking superior performance in high-temperature environments. Its anti-swelling capabilities, exceptional safety standards, and long battery cycle life make it the ideal choice for powering your business operations. At Sunpower New Energy, we are committed to providing advanced energy solutions that meet the diverse needs of businesses worldwide. Explore our wholesale opportunities today and experience the reliability and power of the Sunpower 21700 Li-ion cell. For more information, please check Optimizing Drone Performance: What is the Best Battery for Drone?.

Sunpower New Energy