At Sunpower New Energy, we are proud to introduce our revolutionary 21700 Li-ion battery—a powerhouse that unlocks unrivaled power and versatility for business projects focusing on wholesale supply and other solutions. Our battery’s technical specifications exemplify its exceptional capabilities, making it the ideal choice for a wide range of applications.

Unleashing Power: Technical Specifications of the 21700 Li-ion Battery

With a green cylindrical shape, our Sunpower 21700 Li-ion battery has a diameter of 21.45mm and a height of 71.1mm. Its compact and lightweight design, weighing only 80g, ensures compatibility across various devices and equipment. Whether it’s powering electric bicycles, intellectual robots, or other electronic devices, our battery offers an efficient and reliable power source.


The composition of NCM/NCA materials in our battery, combined with its li-ion characteristics, guarantees a stable and dependable power supply. This reliability is crucial for business projects that require consistent performance and long-lasting power solutions. With a high capacity of 5000mAh and a rated voltage of 3.6V, our battery delivers optimal performance, ensuring your devices operate at their peak efficiency.


Performance Excellence: Key Features of the 21700 Li-ion Battery

Our 21700 Li-ion battery stands out from the competition due to its exceptional features that enhance performance and efficiency. It boasts a high charge-discharge rate of 6C, enabling rapid recharging and efficient power delivery. This means less downtime and more productivity for your devices, allowing you to stay ahead in a competitive market.


To facilitate energy transfer and maximize power output, our battery features a low resistance value of 10.5mΩ. This low internal resistance ensures minimal energy loss during charging and discharging, resulting in enhanced overall efficiency. With our battery, you can expect a reliable and continuous power supply, enabling seamless operations for your business projects.


Our 21700 Li-ion battery is designed to operate in a wide temperature range from -20℃ to 80℃. Whether it’s extreme cold or scorching heat, our battery remains dependable and performs optimally. This versatility allows for diverse applications across various industries, providing flexibility and adaptability to meet the specific needs of your projects.


Furthermore, our battery’s rechargeable design ensures long-term usability and minimizes waste. You can rely on our battery for multiple cycles of recharging and discharging without compromising its performance. This sustainable approach not only benefits the environment but also reduces costs associated with frequent battery replacements.


Wide Range of Applications for the 21700 Li-ion Battery

The versatility of Sunpower New Energy’s 21700 Li-ion battery opens up a world of possibilities across numerous industries. In electric propelling applications, such as electric bicycles and intellectual robots, our battery offers the power and endurance required for smooth and efficient operation. It enables longer travel distances, faster speeds, and an elevated user experience.


For energy storage solutions in solar and wind power systems, our 21700 Li-ion battery provides a reliable and efficient choice. Whether it’s an on-grid or off-grid setting, our battery maximizes the utilization of renewable energy resources. It acts as a robust energy storage system, ensuring a consistent power supply and promoting sustainability.


In addition, our battery serves as a backup system and UPS for critical equipment in telecom, medical, and military settings. When power outages occur or in remote locations, our battery guarantees uninterrupted operation, safeguarding sensitive data and maintaining essential services. Its versatility extends further to applications such as security devices, mobile POS systems, mining lights, and more.



Sunpower New Energy’s 21700 Li-ion battery is a game-changer for business projects that prioritize wholesale supply and other solutions. With its unparalleled power, technical specifications, and wide range of applications, our battery empowers your projects with reliability, efficiency, and versatility. Choose Sunpower New Energy as your trusted partner for innovative energy solutions, and together, we can unlock endless possibilities for your business ventures.

Sunpower New Energy