Dewalt 20V Battery Wont Charge

Dewalt 20V Battery Wont Charge

If your DeWalt 20V battery won’t charge, the issue could be due to a faulty battery, charger, or power source. Check the battery connections and the charger for any signs of damage or wear.

Make sure the contacts are making good contact by cleaning them. If the issue persists, consider testing the battery and charger with another compatible DeWalt device to identify the faulty component. Additionally, you may want to consult the user manual or contact DeWalt customer support for further assistance.

Troubleshooting a non-charging battery requires careful inspection and testing for a successful resolution.

Common Issues With Dewalt 20v Batteries

Having trouble charging your Dewalt 20V battery? This can be a frustrating situation, especially when you have important tasks to complete. In this section, we will discuss some common issues that may arise with Dewalt 20V batteries and the potential causes behind them. By understanding these problems, you can troubleshoot the issue and get your battery back in working condition quickly.

Faulty Battery Charger

If your Dewalt 20V battery won’t charge, one possible culprit could be a faulty battery charger. The charger is responsible for supplying the necessary power to the battery, and if it is not functioning correctly, the battery may not charge properly. When checking your charger, ensure that the power cord is securely plugged into a working outlet and that there are no visible signs of damage. Additionally, try using a different charger to see if the problem persists. If the battery charges with a different charger, it’s likely the original charger that needs to be replaced.

Defective Battery Cells

Another potential issue with Dewalt 20V batteries is defective battery cells. These cells are responsible for holding the charge and providing power to your tools. Over time, these cells can degrade and become less efficient, resulting in a battery that won’t charge or doesn’t hold a charge for long. If you suspect defective cells, you may need to replace the battery entirely. It’s worth noting that using your battery in extreme temperatures or exposing it to moisture can also lead to cell damage, so be sure to store and use your battery in appropriate conditions to prolong its lifespan.

Overheating Batteries

Overheating is another common issue that can prevent your Dewalt 20V battery from charging. When a battery gets too hot, it can trigger safety mechanisms that prevent charging to protect the battery and user. This can happen if you have been using the battery intensively or if it has been exposed to high temperatures for extended periods. To resolve this issue, allow the battery to cool down and try charging it again after it reaches a safe temperature. If overheating continues to be a problem, it may be a sign of a more serious issue, and you should contact Dewalt support for further assistance.

By understanding these common issues with Dewalt 20V batteries, you can troubleshoot and resolve charging problems effectively. Whether it’s a faulty charger, defective battery cells, or overheating, don’t let these issues deter you from getting the most out of your power tools. With the right knowledge and troubleshooting steps, you can keep your Dewalt battery in optimal condition for all your future projects.

Troubleshooting Steps For Dewalt 20v Battery Charging Issues

Troubleshooting Steps for Dewalt 20V Battery Charging Issues

Check The Battery Charger

If your Dewalt 20V battery won’t charge, the first step is to check the battery charger. Make sure the charger is plugged in properly, and there are no visible signs of damage. Inspect the charger’s connections and ensure that they are clean and free from debris or corrosion.

Inspect The Battery

Next, inspect the battery for any physical damage, such as cracks or leaks. Check the battery terminals for any signs of corrosion, and ensure they are making proper contact with the charger. Be sure to also check the battery’s voltage to ensure it is within the acceptable range for charging.

Reset The Battery

If the battery still won’t charge, try resetting it. Remove the battery from the charger, then reinsert it to ensure a proper connection. This can sometimes reset the battery’s internal circuitry and allow it to start charging again.

Clean The Battery Contacts

Dirty or corroded battery contacts can prevent the battery from charging properly. To clean them, use a small brush or abrasive pad to gently scrub the contacts, removing any debris or corrosion. Be careful not to damage the contacts during this process.

Dewalt 20V Battery Wont Charge

Frequently Asked Questions Of Dewalt 20v Battery Wont Charge

Why Is My Dewalt 20v Battery Not Charging?

There could be several reasons why your Dewalt 20V battery is not charging, such as a faulty charger, a damaged battery, or a problem with the charging port.

How Can I Fix A Dewalt 20v Battery That Won’t Charge?

To fix a Dewalt 20V battery that won’t charge, you can try cleaning the charging contacts, checking the charger for any defects, or replacing the battery if necessary.

What Should I Do If My Dewalt 20v Battery Won’t Hold A Charge?

If your Dewalt 20V battery won’t hold a charge, you can try fully discharging and recharging the battery, storing it in a cool and dry place, or replacing it if it’s old and worn out.

Can I Use A Different Charger For My Dewalt 20v Battery?

It is recommended to use the original charger that came with your Dewalt 20V battery. Using a different charger may not provide the correct voltage and could potentially damage the battery.

How Long Does It Take To Fully Charge A Dewalt 20v Battery?

The time it takes to fully charge a Dewalt 20V battery depends on the charger and the battery’s capacity. Generally, it can take around 1 to 2 hours to fully charge a depleted battery.

Can I Leave My Dewalt 20v Battery On The Charger Overnight?

It is not recommended to leave your Dewalt 20V battery on the charger overnight. Overcharging can damage the battery and shorten its lifespan. It is best to remove the battery once it is fully charged.

What Is The Lifespan Of A Dewalt 20v Battery?

The lifespan of a Dewalt 20V battery can vary depending on usage, charging habits, and storage conditions. On average, a Dewalt 20V battery can last between 3 to 5 years with proper care.

How Do I Know If My Dewalt 20v Battery Is Defective?

If your Dewalt 20V battery is not charging or holding a charge despite trying different chargers, it’s likely that the battery is defective. Contact Dewalt customer support for further assistance.

Is It Normal For A Dewalt 20v Battery To Get Warm While Charging?

It is normal for a Dewalt 20V battery to get slightly warm while charging. However, if the battery becomes excessively hot or starts to emit a burning smell, stop charging immediately and seek professional help.

Can I Use A Dewalt 20v Battery On Older Dewalt Tools?

Yes, Dewalt 20V batteries are compatible with older Dewalt tools that use 18V batteries. However, it is recommended to check the compatibility chart or consult the user manual to ensure proper fit and performance.


If you’re experiencing trouble charging your Dewalt 20V battery, there are several possible solutions to explore. By checking the charger, inspecting the battery, and ensuring proper usage, you can troubleshoot and resolve the issue efficiently. Remember to keep your battery clean and free from debris to maintain optimal performance.

Implementing these steps will likely enable you to get your battery charging again and continue with your projects hassle-free.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *