How does low temperature affect batteries?

Subzero Battery Solutions: Low Temperature Battery Pack offer you with optimal performance.

Batteries are an indispensable part of our modern lives, powering everything from our smartphones to electric vehicles. However, while we often consider factors such as battery capacity and charging speed, one crucial aspect that’s frequently overlooked is how temperature impacts battery performance. In this blog post, we’ll delve into the truth behind the effects of low temperatures on batteries.

Understanding Battery Chemistry

Before diving into the effects of low temperature, it’s essential to grasp the basics of battery chemistry. Most modern batteries, such as lithium-ion batteries, operate based on chemical reactions that generate electrical energy. These reactions are influenced by temperature, with lower temperatures generally slowing them down.

  • Decreased Capacity

One of the most noticeable effects of low temperature on batteries is a decrease in battery capacity. At lower temperatures, the chemical reactions within the battery slow down, which reduces the battery’s ability to deliver power. This means that your device may run out of battery more quickly in cold weather, even if it was fully charged.

  • Increased Internal Resistance

Low temperatures can also lead to an increase in the internal resistance of batteries. As the temperature drops, the electrolyte inside the battery thickens, making it difficult for ions to move freely between the electrodes. This increased resistance can cause voltage drops and limit the battery’s ability to deliver power efficiently.

  • Reduced Charging Efficiency

Charging a battery in cold temperatures can be less efficient compared to warmer conditions. The slower chemical reactions mean that the battery will take longer time to fully charge. Additionally, some lithium-ion batteries have built-in temperature sensors that may prevent charging altogether if the temperature is too low, to avoid damage to the battery.

  • Potential Damage

Exposing batteries to extremely low temperatures for extended periods can potentially cause permanent damage. In some cases, the electrolyte may freeze, leading to internal damage and decreased battery performance. Rapid temperature changes, such as moving a battery from a warm environment to a cold environment, can also stress the battery and cause battery performance to degrade over time.

Overall, low temperatures can significantly impact the performance and lifespan of batteries, particularly if your battery is not designed or optimized to operate in cold environments. Of course, proper storage, handling, and usage practices, as well as the selection of appropriate battery chemistry, can help mitigate the effects of low temperatures on batteries and maintain their reliability and performance in cold conditions.

Battery Care Tips for Cold Weather

To mitigate the effects of low temperature on batteries, here are some practical tips:

  • Use Battery Warmeror Heater: For applications where batteries are exposed to extreme cold, consider using battery warmers or insulated enclosures to maintain their temperature within an optimal range. Such as drones or outdoor cameras, come with battery warmers to maintain optimal operating temperatures.
  • Regular Check: PartiallyCharge the battery every 4-6 weeks to maintain optimal condition while the battery is in storage. Regularly monitor the voltage of your batteries, especially during cold weather.
  • Charge Smart: For portable batteries, they should be stored and charged at moderate temperatures, not outside or in a freezer.
  • Storage Propoerly: Store the batteriesbetween 40% and 60% charge in a cool, dry place away from direct sunlight, heat sources, moisture, and  isolate to prevent short circuits to maintain optimal conditions. Avoid storing them in extreme temperatures. Avoid storing batteries at full charge for extended periods, as this can degrade their performance and safety.
  • Avoid Rapid Temperature Changes: Minimize exposure of your battery to rapid temperature fluctuations, as this can cause thermal stress and shorten its life.

Saphiion Low Temperature Battery Pack

Don’t let cold weather affect your productivity and performance. Embrace the power of Saphiion’s low temperature battery pack. At Saphiion, we pride ourselves on continually pushing the limits of battery technology to deliver unparalleled performance even in the most challenging conditions. Our low temperature battery packs are specifically engineered and rigorously tested to withstand and operate safely in extreme temperatures of -40°C and even lower.

Whether powering your outdoor equipment, remote sensors, or industrial machinery, you can count on our battery pack to deliver consistent performance day after day.


Whether you’re a battery retailer, distributor, OEM, brand owner, or manufacturers, you understand the critical importance of selecting the right components for your products, especially when it comes to extreme environments. By understanding the effects of cold temperatures and following proper care guidelines, you can maximize the lifespan and efficiency of your batteries, ensuring they continue to power your devices reliably, even in cold weather conditions.

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 to explore the possibilities and find the suitable customs low temperature battery packs for your needs.

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