Welcome to Sunpower New Energy, a pioneering force in the energy industry. We are thrilled to present our latest breakthrough product, the Sunpower Li-ion Cell 3.7V INR18650. This cutting-edge 18650 battery 3000mAh 3.7V represents a remarkable technological advancement, specifically designed to overcome the challenges of low-temperature conditions. With its exceptional performance, longer cycle life, and unwavering discharge capacity even in frigid temperatures, the Sunpower Li-ion Cell 3.7V INR18650 is set to revolutionize the way businesses operate in extreme cold environments.

Breaking Through Low-Temperature Barriers

The Sunpower Li-Ion Cell 3.7V INR18650 is a technological breakthrough that conquers the challenges posed by low-temperature conditions. Capable of withstanding temperatures as low as -40℃, this battery ensures uninterrupted power even in the harshest environments. Embrace the freedom to operate in extreme cold climates with a battery that rises above limitations.


Extending Cycle Life for Longevity

The longevity of a battery is crucial for businesses aiming to maximize efficiency and reduce costs. The Sunpower Li-Ion Cell 3.7V INR18650 delivers impressive performance with approximately 80% capacity remaining even after 300 cycles. This extended cycle life ensures durability and reliability, making it an ideal choice for long-term usage across various industries.


Unyielding Discharge Capacity in Frigid Temperatures

Extreme cold temperatures can pose significant challenges to battery performance. However, the Sunpower Li-Ion Cell 3.7V INR18650 remains resilient even in frigid conditions as low as -50℃. It retains a discharge capacity of ≥70% at 0.2C, ensuring continuous power supply when it matters most. Trust in the reliability and unwavering performance of our battery in the coldest of environments.


Versatile Applications for Varied Industries

The Sunpower Li-Ion Cell 3.7V INR18650 opens up a world of possibilities with its versatility. From polar research to frigid zone rescue, this battery caters to a wide range of applications. With its superior power and endurance, businesses can confidently rely on our battery to perform optimally in any demanding environment or industry.


Embrace the Sunpower Advantage with Sunpower New Energy

At Sunpower New Energy, we are committed to driving innovation and providing cutting-edge solutions for businesses worldwide. The Sunpower Li-Ion Cell 3.7V INR18650 is a testament to our dedication to excellence and meeting the evolving needs of our customers. Experience the power, durability, and unwavering performance of the Sunpower advantage as you step into the future of battery technology.



The Sunpower Li-Ion Cell 3.7V INR18650 defies the cold and sets new benchmarks in power, durability, and longevity. Overcoming the limitations of low-temperature conditions, this battery delivers exceptional cycle life, maintains discharge capacity even in frigid temperatures, and finds application across various industries. Trust in Sunpower New Energy to power your business forward with unrivaled performance, flexibility, and reliability. Choose the Sunpower advantage for a brighter and more powerful future.

Sunpower New Energy