Why Does My Cordless Drill Not Work as Well in Summer?

August 11, 2023 3:02 pm Published by Leave your thoughts

In the summertime, you may notice that your cordless drill doesn’t seem to perform as well as it does during other seasons. If you’ve ever wondered why this happens, you’re not alone. In this blog post, we will explore the potential reasons behind the decreased performance of cordless drills in the summer and provide some tips to help you overcome these issues.

Understanding Battery Chemistry

To understand why cordless drills may not work as well in the summer, it’s essential to have a basic understanding of battery chemistry. Cordless drills typically use lithium-ion batteries, which are known for their high energy density and long-lasting power. However, lithium-ion batteries are sensitive to temperature changes, especially extreme heat.

Effects of Heat on Battery Performance

Heat can have a significant impact on the performance and overall lifespan of lithium-ion batteries. Here are a few ways in which heat affects battery performance:

1. Decreased Capacity: High temperatures can cause the capacity of lithium-ion batteries to decrease. This means that the battery cannot hold as much charge as it normally would, resulting in shorter run times for your cordless drill.

2. Increased Internal Resistance: Heat increases the internal resistance of the battery, making it more difficult for the energy to flow smoothly. This can result in a decrease in power output and reduced torque, making the drill feel less powerful.

3. Reduced Battery Life: Exposure to heat can also degrade the overall lifespan of lithium-ion batteries. Prolonged exposure to high temperatures can cause irreversible damage to the battery’s internal components, leading to decreased performance and a shorter overall lifespan.

Tips to Overcome Performance Issues

While you may not have control over the summer weather, there are several steps you can take to mitigate the effects of heat on your cordless drill. Here are some tips to help you overcome performance issues:

1. Store Batteries Properly: When not in use, it’s essential to store your lithium-ion batteries in a cool, dry place. Avoid leaving them in direct sunlight or in a hot vehicle, as this can cause the battery to overheat and degrade faster.

2. Allow for Cooling Periods: During extended drilling sessions, it’s a good idea to allow the battery to cool down between uses. This can help prevent overheating and improve overall performance. If you notice the battery getting hot during use, set it aside to cool before continuing.

3. Avoid Overcharging: Overcharging can also lead to increased battery temperatures and accelerated degradation. Invest in a smart charger that automatically shuts off when the battery is fully charged to avoid overcharging and excess heat.

4. Optimal Charging: Charge your batteries at room temperature whenever possible. Avoid charging them in extremely hot environments, as this can further increase the internal temperature of the battery.

5. Carry an Extra Battery: If you have a lot of work to do in hot weather, consider carrying an extra fully charged battery with you. This way, you can quickly swap out batteries when one becomes overheated or loses its charge.

6. Periodic Inspection: Regularly inspect your batteries for any signs of swelling, leaks, or other damage. If you notice any issues, replace the battery immediately to prevent further damage to your cordless drill.

7. Consider Alternative Power Tools: In cases where the cordless drill is struggling due to the heat, consider using alternative power tools that are specifically designed for high-temperature environments, such as pneumatic tools or corded drills.

By implementing these tips, you can help alleviate the performance issues that may arise with your cordless drill in the summer. Proper storage, cooling periods, and optimal charging practices are crucial for maintaining the longevity and efficiency of your lithium-ion batteries.


The decreased performance of cordless drills in the summer can be attributed to the effects of heat on lithium-ion batteries. By understanding the impact of heat on battery performance and following the tips mentioned above, you can ensure that your cordless drill works optimally even in hot weather conditions. Proper care and maintenance will help prolong battery life and maintain the overall functionality of your cordless drill for years to come.

Got Questions? Let Us Help!

At Texford Battery Co, we pride ourselves on being much more than just another battery specialist. We credit our seven decades of business growth and success to the unmatched service and expertise our team provides. Texford Battery Co is not simply a supplier – we helped pave the way for many innovations in the battery distribution industry that continue to keep prices competitive for our customers. Among them, we were a leader in the creation of the Battery Marketing Group in the 1970s. As a founding member of this national network of battery distributors and manufacturers, we are able to offer up to 10,000 of the industry’s top products to our customers at the lowest cost. Call us today!

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