Why Lithium Batteries Die in Winter and How to Prevent This
Posted by Katy | Toolstop on 30th Nov 2023
It is widely known that lithium batteries perform worse in cold weather. But why is this? This Toolstop Blog explains why batteries die in the cold and what you can do to prevent this from happening. We will go over the correct way to store lithium batteries in winter so you can get the most out of them.
It is widely known that lithium batteries perform worse in cold weather. But why is this? This Toolstop Blog explains why batteries die in the cold and what you can do to prevent this from happening. We will go over the correct way to store lithium batteries in winter so you can get the most out of them.
Winter weather can be a real pain for tradespeople relying on cordless power tools. It's frustrating when your trusty lithium-ion battery suddenly gives up the ghost in the cold. But why does this happen, and what can you do to prevent it? Let’s dive in.
Understanding the Cold's Impact on Lithium-Ion Batteries
Lithium-ion batteries are sensitive to temperature. When the mercury drops, their performance takes a significant hit. Here's why:
Cold temperatures drastically reduce a battery's capacity to hold a charge. This means your tool will run out of power much faster than usual. Charging times also increase dramatically in cold weather. This can be a real inconvenience when you're in a hurry. Extreme cold can damage the internal components of the battery, shortening its lifespan.
Tips to Keep Your Lithium-Ion Batteries Working in Winter
To maximise the performance of your lithium-ion batteries in cold weather, follow these tips:
Keep Batteries Warm:
- Body Heat: Utilise your body heat by keeping batteries in an inside jacket pocket when not in use
- Insulated Storage: Store batteries in an insulated bag or case to protect them from the cold
- Quick Warm-up: Give your batteries a brief workout by running them in your tool to generate internal heat before charging. This can help bring them to a safer charging temperature
- Hand warmers, typically used for keeping your hands toasty, can be a great addition to your toolbox to provide extra warmth for your batteries
- Avoid Cold Storage: Never leave batteries in a cold environment, such as a van overnight. Bring them indoors to protect them from freezing temperatures
Optimal Charging:
Charge batteries indoors in a warm environment and avoid fully discharging batteries in cold weather. Opt for partial charges to prolong battery life. Some battery conditioners can help maintain battery health in extreme temperatures.
Battery Care:
- Always use genuine lithium-ion batteries from the tool manufacturer. These are designed to withstand colder temperatures better
- Avoid Extreme Temperatures: Protect batteries from extreme heat and cold whenever possible
- Regular Maintenance: Follow the manufacturer's recommended maintenance guidelines to ensure optimal battery performance
Additional Tips for Tradespeople
- Extra Batteries: Carry spare batteries to avoid downtime when one battery dies
- Battery Management System: Some tools have built-in battery management systems to optimise performance in cold weather
- Tool Care: Keep your tools clean and dry to prevent issues that can drain battery life
By following these tips, you can significantly improve the performance of your lithium-ion batteries in winter and avoid costly downtime.