Low Temperature 18650 Lithium-ion Battery

Conquering Cold-Weather Challenges: Low Temperature 18650 Lithium-ion Battery

Low Temperature 18650 Lithium Ion batteries are designed to withstand the cold, with operating temperatures down to -40°C or below. Their rugged construction and advanced chemistry allow them to maintain reliable performance even in the most extreme cold environments.

  • Low Temperature 18650 Lithium Battery Features

1. Wide Operating Temperature Range

  • Standard lithium-ion batteries have an operating temperature range typically between -20°C to 60°C (-4°F to 140°F).
  • Low-temperature lithium batteries extend this range to lower temperatures, often down to -40°C (-40°F) to to 60°C (-4°F to 140°F)or even lower.

2. High Discharge Rates

Many 18650 low-temperature batteries have high discharge rates, such as the Molicel INR-21700-P42A, which provides up to 30A of discharge current. They can supply power quickly and efficiently, even in freezing temperatures. This feature makes them suitable for applications that require fast energy delivery, such as power tools, electric vehicles and emergency lighting systems.

3. BMS Protection

Safety is paramount when it comes to lithium batteries, especially in extreme conditions. These batteries include built-in battery management system (BMS) to prevent overcharging, over-discharging, and short circuits, ensuring safe operation in challenging environments.

4. Thermal Management

Effective thermal management is essential for maintaining optimal battery performance in cold conditions. Low-temperature battery packs may incorporate heating elements, temperature sensors, and insulation materials to regulate the internal temperature of the pack. Heating elements can help prevent the cells from becoming too cold and ensure they remain within their optimal temperature range for efficient operation.

  • Low Temperature Battery Common Models

Although specific models of 18650 low temperature lithium battery may vary depending on the manufacturer and region, here are some commonly known models or series that are designed to operate effectively in cold environments:

Molicel INR-18650-P26A and INR-21700-P42A Low-Temperature Lithium Battery

Molicel, renowned for its high discharge rate and unwavering battery performance. Molicel P26A is a popular choice for demanding applications requiring reliable power in cold environments.

  • Operating Temperature Range: -40°C to 60°C
  • Discharge Current: Up to 35A

INR18650-25L and INR18650-30L Low-Temperature Lithium Battery

These batteries are engineered with high-quality materials and advanced manufacturing techniques to ensure long-term reliability and safety.

  • Operating Temperature Range: -40°C to 80°C
  • Discharge Current: Up to 20A
  • It offers a range of 18650 low-temperature batteries tailored to different applications, with discharge currents ranging from 10A to 20A.

HL18650U 2600mAh Low-Temperature Lithium Battery

SunPower low-temperature lithium batteries are engineered with high-quality materials and advanced manufacturing techniques to ensure long-term reliability and safety.

  • Operating Temperature Range: -40°C to 85°C
  • Discharge Current: Up to 10A


When selecting a specific model of 18650 low-temperature lithium battery, it’s essential to consider factors such as operating temperature range, capacity, discharge rate, cycle life, and compatibility with the intended application. Additionally, always ensure that the chosen battery meets relevant safety standards and regulatory requirements for your region.

Saphiion specializes in the design and development of reliable 18650 low temperature battery packs that can operate at temperatures of -40°F (-40°C). Whether you need high discharge rates or stable performance in cold environments, Saphiion offers versatile solutions for a wide range of applications. Trust in our expertise to keep your devices running, no matter how cold the weather gets.

Our low temperature battery packs undergo rigorous testing and validation to ensure their performance, reliability, and safety in cold environments. This testing include cold temperature cycling tests, discharge tests at low temperatures, and assessments of the pack’s ability to maintain stable performance over extended periods in cold conditions.

Contact us at info@saphiion.com to explore the possibilities and find the suitable customs low temperature battery packs for your needs.

Quality Matters, Let us Safeguard Your Adventures! Need Custom Your Low Temperature 18650 Lithium-Ion Battery Packs ?

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