At Sunpower New Energy, we are delighted to introduce our latest innovation – the Sunpower 21700 lithium-ion battery. Pioneering the realm of energy storage, this cutting-edge technology sets new benchmarks in performance, durability, and safety. With a maximum operating temperature of 85℃, exceptional endurance of up to 70 cycles at 120℃ high temperatures, and an impressive discharge efficiency over 90%, this battery is the epitome of excellence.

Unmatched Performance in Extreme Conditions

The Sunpower 21700 lithium-ion battery has been engineered to perform exceptionally well even in the harshest environments. With a maximum operating temperature of 85℃, the battery maintains its efficiency and reliability, ensuring uninterrupted power supply in various applications, from electric bicycle to renewable energy systems.


Enhanced Endurance for Demanding Applications

When it comes to longevity, the Sunpower 21700 battery takes the lead. Designed to withstand extreme conditions, it can endure more than 70 cycles at 120℃ high temperatures, making it ideal for industrial, automotive, and marine applications where thermal stress is a constant challenge. With a discharge efficiency surpassing 90%, you can rely on Sunpower’s battery to keep your operations running smoothly.


Unleashing Remarkable Power and Efficiency

With a maximum charge current of 6A and a continuous discharge current of 30A, the Sunpower 21700 lithium-ion battery offers unrivaled power and performance. Whether you require high energy density or extended runtimes, this battery delivers exceptional results across a wide range of applications. Its advanced design ensures optimal efficiency, making it both cost-effective and environmentally friendly.


Uncompromising Safety and Reliability

At Sunpower, we understand the importance of safety in battery technology. The Sunpower 21700 lithium-ion battery has undergone rigorous testing to guarantee its reliability and compliance with industry standards. Our battery features advanced thermal management systems, ensuring stable performance even under challenging conditions. With Sunpower, you can have peace of mind knowing your energy storage solution is built for safety.


A Sustainable Future with Sunpower

In an era where sustainable energy solutions are of paramount importance, Sunpower takes pride in pushing the boundaries of what is possible with our innovative battery technologies. By investing in the Sunpower 21700 lithium-ion battery, you are not only powering your business but also contributing to a greener future. Our commitment to sustainability drives everything we do, and we invite you to join us on this journey towards a better world.



The Sunpower 21700 lithium-ion battery is a game-changer in the field of energy storage. With its exceptional performance, enduring capability, remarkable power, and uncompromising safety, it is paving the way for a more efficient and sustainable future. At Sunpower New Energy, we are proud to offer this cutting-edge technology, and we invite you to experience the difference it can make for your business. Invest in Sunpower and embrace the power of tomorrow, today. For more information, please check Optimizing Drone Performance: What is the Best Battery for Drone?.

Sunpower New Energy