Physical Address

304 North Cardinal St.
Dorchester Center, MA 02124

How To Fix Dewalt Batteries Not Charging

When faced with Dewalt batteries not charging, a common frustration for users, it is essential to approach the issue systematically. From checking battery connections to verifying charger functionality, there are several troubleshooting steps that can be undertaken.

However, one method that often surprises many individuals due to its simplicity and effectiveness involves a unique technique that can breathe new life into seemingly dead batteries. This technique has been embraced by professionals and DIY enthusiasts alike, highlighting its potential to revolutionize the way battery issues are resolved.

Key Takeaways

  • Check battery connections and charger functionality for proper charging.
  • Inspect batteries for physical damage like cracks, leaks, or swelling.
  • Ensure charger is in good condition and provides accurate voltage output.
  • Maintain clean battery contacts to optimize performance and longevity.

Check Battery Connections

To ensure proper charging functionality, meticulously inspect and secure the connections of both the positive and negative terminals of the Dewalt batteries. The charging ports must be clean and free of any debris that could hinder the charging process. It is essential to ensure that the batteries are fully charged before attempting to use them. By connecting the terminals securely, you can prevent any interruptions in the charging process, allowing the batteries to reach their full capacity.

When connecting the batteries for charging, pay close attention to the indicators on the charger to verify that the good battery is receiving the charge while the problematic one remains inactive. Monitoring the charging process closely will help ensure that the batteries are resetting correctly. By double-checking the connections and ensuring they are secure, you can prevent accidents or short circuits that may occur during the charging process. Properly maintained connections are vital for the efficient charging and overall performance of Dewalt batteries.

Inspect for Physical Damage

When ensuring the optimal performance of Dewalt batteries, a crucial step involves inspecting for any physical damage that may impede the charging process. Look closely for visible cracks, dents, or leaks on the battery casing, as these could indicate significant damage.

Additionally, check the battery terminals for any signs of corrosion, rust, or dirt buildup that may be obstructing the charging connection. It is also essential to inspect the battery contacts inside the tool to ensure they are clean and making proper contact with the battery for efficient charging.

Keep an eye out for any swelling on the battery pack, as this could be a sign of internal damage that may affect its charging capabilities. If any physical damage is detected during the inspection, consider replacing the battery promptly to avoid potential safety hazards and to ensure the proper charging functionality of your Dewalt batteries.

Verify Charger Functionality

Inspecting the functionality of the charger is essential to determine its capability to effectively charge Dewalt batteries. To verify the charger's functionality, follow these steps:

  • Test with a Known Working Battery: Connect the charger to a Dewalt battery that is known to be functioning correctly and observe if it charges properly. This will help identify if the issue lies with the charger or the battery.
  • Check for Physical Damage: Examine the charger for any visible signs of damage or loose connections that could be hindering its performance. Addressing these issues may resolve the charging problem.
  • Use a Multimeter: Test the charger's voltage output using a multimeter to ensure it is delivering the correct voltage levels as specified for Dewalt batteries. Discrepancies in voltage may indicate a faulty charger that needs repair or replacement.

Clean Battery Contacts

Efficient maintenance of your Dewalt batteries includes ensuring the cleanliness of the battery contacts to facilitate optimal charging performance and longevity.

To clean the battery contacts, use a soft, dry cloth to remove any dirt or debris that may be obstructing the connection. It is essential to inspect the contacts for signs of corrosion, as this can prevent a proper connection and hinder the charging process.

If corrosion is present, a small amount of rubbing alcohol on a cloth can be used to clean the contacts effectively. After cleaning, make sure the contacts are completely dry before reinserting the battery into the charger to prevent any potential electrical issues.

Regularly cleaning the battery contacts is a simple yet crucial step in maintaining optimal charging performance and extending the lifespan of your Dewalt batteries. By following these cleaning practices, you can ensure that your batteries charge efficiently and remain in good working condition for an extended period.

Reset Battery Memory

To further optimize the performance and charging capabilities of your Dewalt batteries, consider resetting the battery memory by disconnecting and reconnecting it to the charger multiple times. This process helps recalibrate the battery's internal circuitry, thereby improving its charging performance. In some cases, resetting the battery memory can even revive a seemingly dead or non-charging battery. It is a common troubleshooting technique for Dewalt batteries that are not charging properly. Properly resetting the battery memory can also contribute to extending the overall lifespan and performance of the Dewalt battery.

  • Disconnect the Dewalt battery from the charger.
  • Reconnect the battery to the charger.
  • Repeat the disconnect and reconnect process multiple times to reset the battery memory.

Consult Dewalt Customer Support

When facing issues with Dewalt batteries not charging, seeking guidance from Dewalt Customer Support is a recommended course of action. Dewalt Customer Support can provide valuable troubleshooting steps and solutions tailored to address specific problems related to battery charging issues.

Whether it involves warranty inquiries, options for battery replacement or repair, or guidance on proper maintenance practices to prevent charging issues in the future, Dewalt representatives are trained to assist users effectively.

Frequently Asked Questions

How Do I Bring My Dewalt Battery Back to Life?

To bring your Dewalt battery back to life, consider jump-starting it with a charged battery and speaker wire. Connect positive and negative terminals momentarily to transfer power. Follow safety guidelines for a secure connection.

Why Do Dewalt Batteries Stop Charging?

Dewalt batteries may cease charging due to extended periods of inactivity, leading to depletion. Resetting some Dewalt batteries is crucial to kickstart the charging process, prevent damage from full discharge, and enable the charger to recognize and recharge the battery.

How Do I Know if My Dewalt Battery Is Bad?

Determining if a Dewalt battery is faulty involves checking for signs like inability to hold a charge, physical damage, or leaks. Confirming with a multimeter can help diagnose the issue. If irreparable, contacting Dewalt support for guidance on replacement is advisable.

How Do You Fix a Battery That Won't Charge?

To troubleshoot a non-charging battery, start by checking the charger, connections, and battery condition. If the issue persists, a jump-start with a functional battery can help kickstart the charging process. Ensure safety and verify successful power transfer for resolution.


In conclusion, troubleshooting Dewalt batteries not charging involves:

  • Checking connections
  • Inspecting for damage
  • Verifying charger functionality
  • Cleaning contacts
  • Resetting battery memory

Seek support from Dewalt customer service if issues persist.

Following these steps can help identify and resolve the problem, ensuring proper charging and functionality of Dewalt batteries.

Sharing is caring.
Alex Mitchell
Alex Mitchell

Alex Dockman is an IT Systems Engineer and tech enthusiast with a knack for making complex technology topics understandable. With a background in Computer Science and hands-on experience in Silicon Valley, he shares his insights on docking stations and connectivity solutions, helping readers navigate the tech world. Alex's writing is known for its clarity and precision, making technology accessible to all.

Leave a Reply

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