If you own a DeWalt 20V battery and it’s not charging, you may be worried about the cost of replacing your battery or even buying a new tool altogether. But before you start panicking, there are some simple steps you can take to troubleshoot and potentially fix the issue yourself.
In this guide, we’ll discuss common reasons why your DeWalt 20V battery may not be charging and provide step-by-step instructions on how to fix it.
What Is DeWalt 20V Battery?
The DeWalt 20V battery is a high-performance lithium-ion battery specifically designed to power a wide range of DeWalt cordless power tools. It is an integral component of the renowned DeWalt 20V MAX* System, which offers users the flexibility to interchange batteries between different tools, providing utmost convenience and cost-efficiency.
These exceptional batteries are widely acclaimed for their exceptional durability, ensuring they can withstand the rigors of demanding professional use while maintaining optimal performance. Additionally, their long-lasting charge ensures extended operation time, allowing professionals and DIY enthusiasts to tackle even the most challenging projects with ease and confidence.
Reasons Why The DeWalt 20V Battery Won’t Charge
If you’re experiencing issues with your DeWalt 20V battery not charging, it could be due to a few common reasons. These include:
- Battery age: Like any rechargeable battery, the DeWalt 20V battery has a limited lifespan and may eventually lose its ability to hold a charge. Over time, the internal cells of the battery can degrade, resulting in decreased performance and charging issues.
- Charger malfunction: The problem may lie with the charger itself, which could be damaged or not functioning properly. A faulty charger can prevent the battery from receiving the necessary power to charge effectively. This can happen due to electrical faults, overheating, or general wear and tear.
- Faulty connections: The battery may not be connecting properly to the charger, resulting in a failed charge. Loose or corroded battery terminals, damaged charging ports, or poor contact can all contribute to connection issues. These problems can prevent the flow of electricity from the charger to the battery, hindering the charging process. 
Now that we’ve identified some potential causes, let’s dive into how to fix each issue and get your DeWalt 20V battery charging again. By addressing these specific factors, you can ensure optimal battery performance and longevity.
DeWalt 20V Battery Terminals
First Terminal: Battery Age
To determine if the age of your DeWalt 20V battery is impacting its charging, you can check its date code. The date code consists of four digits that indicate the month and year of manufacture.
If the first two digits are ’12’ or higher, it means that your battery was made in 2012 or later. On the other hand, if the first two digits are ’11’ or lower, your battery is more than eight years old and may need to be replaced. 
Second Terminal: Charger Malfunction
If you suspect that your charger is not working correctly, it’s essential to troubleshoot it before replacing the battery. Here are some steps you can take to determine if the charger is the problem:
- Check for physical damage: Inspect the charger for any visible signs of damage, such as frayed wires or burnt components.
- Test with another battery: If possible, try charging another DeWalt 20V battery with the same charger. If it charges successfully, then your original battery may indeed be the issue.
- Test with a multimeter: Using a multimeter, you can test the charger’s voltage output to ensure that it is delivering enough power to charge the battery effectively. 
Three Hidden Terminals: Faulty Connections
Faulty connections can be more challenging to identify, but there are a few steps you can take to troubleshoot this issue:
- Clean the battery terminals and charging ports: Over time, dirt, dust, and other debris can accumulate on the battery terminals or inside the charging port, hindering proper contact. Use a soft cloth or brush to remove any buildup and ensure a clean connection.
- Inspect the battery and charger for damage: Look for signs of corrosion, bent or damaged terminals, or other physical issues that may be preventing proper contact between the two components.
- Check the charger cable: If you’re using an adapter to charge your DeWalt 20V battery, make sure it is working correctly and providing enough power to the charger. 
How To Charge A DeWalt 20V Battery?
Once you’ve identified and addressed the issue affecting your DeWalt 20V battery’s charging, it’s time to recharge it. Here’s how:
- Plug in the charger: Connect the charger to a power outlet and ensure that it is receiving electricity.
- Insert the battery: Carefully slide the battery onto the charger, making sure that it clicks into place.
- Monitor the charging process: Depending on the battery’s current charge level, it may take anywhere from 30 minutes to several hours to reach a full charge. Keep an eye on the LED indicator lights on the charger, which will turn green once the battery is fully charged.
- Remove the battery: Once your DeWalt 20V battery is fully charged, carefully remove it from the charger and get back to work! 
Check The Charger With A Multimeter First
Before replacing your DeWalt 20V battery, it’s crucial to thoroughly troubleshoot the charger. Start by performing a simple test with a multimeter to determine if the problem lies with the charger or the battery itself.
If you don’t have access to a multimeter or are unsure of how to use one, it’s recommended to consider taking your charger (and possibly your battery) to a professional for further diagnosis and potential repairs. This professional assessment can save you both time and money in the long run, as it ensures that you’re not replacing perfectly good components unnecessarily. Additionally, they can provide you with more detailed insights into the specific issue and offer tailored solutions to resolve it effectively. Remember, taking the time to troubleshoot and seek expert advice can extend the lifespan of your battery and maximize the performance of your DeWalt tools. 
Clean Off The Terminals
Whether it’s due to age, a malfunctioning charger, or faulty connections, keeping your battery terminals clean and free of debris is essential for proper charging and optimal performance. Regularly inspect and clean the battery terminals and charging ports, especially after extended use or if you notice any signs of buildup. This simple maintenance step can go a long way in preserving the life of your DeWalt 20V battery and ensuring that it charges effectively every time. Remember to use a soft cloth or brush and avoid using any harsh chemicals that may damage the components. With proper care and maintenance, your DeWalt 20V battery should continue to power your projects for years to come! # Inserted new content
In addition to troubleshooting potential issues with your DeWalt 20V battery and charger, there are other factors that can impact the overall charging process. For example, extreme temperatures can affect the battery’s performance and charging time. It is recommended to avoid charging your battery in extreme heat or cold and to store it in a cool, dry place when not in use. Additionally, using the correct voltage source (either AC or DC) for your charger is crucial for proper charging and preventing potential damage. 
Check That There Is Power
If your battery is not charging at all, it’s important to make sure that there is power running to the charger. Double-check that the outlet you are using is working correctly by plugging in another device or using a voltage tester. Additionally, inspect the charging cable for any visible damage or fraying that could be causing a disruption in the power flow. Furthermore, check for any blown fuses or tripped circuit breakers in your home or workspace that may be affecting the electrical supply. Taking these extra steps will help you troubleshoot and identify the source of the charging issue more effectively. 
Hold The Power Button
If your DeWalt 20V battery is not charging properly, it may be due to a simple fix – holding down the power button for a few seconds. This action can reset the battery’s internal circuit, which in turn allows it to establish a proper charging connection and facilitate the charging process effectively once again. However, it is important to note that if this troubleshooting step does not resolve the issue, it is recommended to follow the comprehensive troubleshooting steps provided above or seek assistance from a qualified professional who can diagnose and address the problem accurately. By taking these additional measures, you can ensure that your DeWalt 20V battery functions optimally and continues to deliver reliable power for your tools and equipment. 
Troubleshoot Your Cable, Charger, Outlet & Case
If you have tried all of the previous steps and your DeWalt 20V battery is still not charging, it may be time to consider a more thorough troubleshooting approach. Begin by inspecting the charger cable for any damage or fraying that could be disrupting the power flow. Next, check the charger itself for any visible signs of damage or malfunctions. Then, try plugging the charger into a different outlet to ensure that it is receiving power. If all else fails, it is recommended to take your battery and charger to a professional who can assess and potentially repair any underlying issues. Remember, addressing charging problems early on can save you time and money in the long run and allow you to get back to your projects with minimal disruption. 
Troubleshoot Your Battery Charge Indicator Lights
If your DeWalt 20V battery is not charging, it’s essential to take a closer look at the charge indicator lights on both the battery and charger. These lights can provide valuable insights into the overall health of your battery and any potential issues that may arise during the charging process. If you notice that the lights are not functioning correctly or are displaying error codes, refer to your user manual or seek assistance from a qualified professional for further guidance. Additionally, regularly checking the battery and charger indicator lights can help you identify any potential problems early on and take appropriate action to resolve them effectively. 
Troubleshoot Your Screen
If your DeWalt 20V battery has a built-in screen that displays information about the charging status, make sure to monitor it closely during the charging process. If you notice any error messages or abnormal readings on the screen, refer to your user manual for troubleshooting steps or seek assistance from a qualified professional. Additionally, keeping an eye on the battery’s screen can provide valuable insights into the overall health of your battery and alert you to any potential issues that may need to be addressed. Regularly checking the screen can help you stay on top of your battery’s performance and ensure it is charging effectively every time. 
Consider Replacing The Battery
If you have exhausted all troubleshooting options and your DeWalt 20V battery is still not charging correctly, it may be time to consider replacing the battery. Over time, batteries can lose their ability to hold a charge due to wear and tear or extended periods of inactivity. Fortunately, DeWalt offers a variety of replacement battery options that are compatible with your tools and equipment. Remember, investing in a new battery can save you time and frustration in the long run and help ensure that your projects are not delayed due to charging issues. 
Advantages Of DeWalt 20V Battery
The DeWalt 20V battery is known for its reliability and durability, making it a popular choice among professionals and DIY enthusiasts alike. With excellent performance and long-lasting power, this battery can handle tough jobs and demanding projects with ease. Additionally, the DeWalt 20V battery offers fast charging times and flexible compatibility with a wide range of tools, making it a versatile and convenient option for any workspace. Furthermore, DeWalt continually strives to improve its battery technology, ensuring that users always have access to the latest innovations and advancements in power tool batteries. So whether you’re a professional contractor or a weekend warrior, the DeWalt 20V battery is a reliable and efficient choice for all your power needs. 
Disadvantages Of DeWalt 20V Battery
While the DeWalt 20V battery is a top-performing option, it does have some potential drawbacks to consider. One of the most significant disadvantages is its cost, as DeWalt batteries can be more expensive compared to other brands on the market. Additionally, users may experience compatibility issues with older DeWalt tools that are not compatible with the 20V battery. Furthermore, like all rechargeable batteries, the DeWalt 20V battery will eventually reach the end of its life cycle and need to be replaced. However, with proper care and maintenance, this battery can last for several years before needing a replacement. Overall, while there may be some downsides to consider, the advantages of the DeWalt 20V battery far outweigh any potential disadvantages, making it a top choice for power tool users. Overall, the DeWalt 20V battery is a reliable and efficient choice for all your power needs. With proper care and maintenance, you can ensure that your battery continues to deliver optimal performance and help you tackle even the toughest projects with ease. 
How do I bring my Dewalt battery back to life?
If your DeWalt 20V battery is not charging, there are several steps you can take to try and revive it. Start by checking the charge indicator lights on both the battery and charger for any error messages or abnormal readings. If everything appears normal, try cleaning the battery contacts with a cloth or brush to remove any dirt or debris that may be hindering charging. You can also try charging the battery in a different outlet or using a different charger to rule out any potential issues with the power source. If these steps do not work, it may be time to consider replacing the battery.
Can a Dewalt battery be reset?
While you cannot reset a DeWalt 20V battery, following proper care and maintenance procedures can help extend its lifespan and maintain optimal performance. It’s crucial to charge the battery fully before use and avoid overcharging or leaving it on the charger for extended periods. Additionally, storing the battery in a cool, dry place when not in use can also help prevent any issues and optimize its overall performance. When in doubt, always refer to your user manual for specific instructions on how to care for your DeWalt 20V battery.
How do you hard reset a battery?
Unlike electronic devices, batteries do not have a hard reset function. If you are experiencing issues with your DeWalt 20V battery, follow appropriate troubleshooting steps or seek assistance from a qualified professional. Attempting to manually reset the battery can be dangerous and may cause further damage. Always prioritize safety and follow manufacturer guidelines when handling power tool batteries.
Where is the reset button on a battery?
There is no reset button on DeWalt 20V batteries. If you are experiencing issues with your battery, refer to the user manual for specific troubleshooting steps or seek assistance from a qualified professional. Never attempt to open or tamper with the battery casing, as this can be dangerous and void your warranty.
Is there a way to reset a lithium battery?
No, there is no way to reset a lithium battery. Attempting to do so can be dangerous and may cause further damage. If you are experiencing issues with your DeWalt 20V battery, follow proper care and maintenance procedures or seek assistance from a qualified professional. Always prioritize safety when handling power tool batteries.
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In conclusion, the DeWalt 20V battery offers impressive performance, fast charging times, and compatibility with a wide range of tools. While it may have some potential disadvantages, these are outweighed by its numerous advantages and reliability. By following proper care and maintenance procedures and prioritizing safety when handling batteries and power tools, users can ensure that their DeWalt 20V battery continues to deliver optimal performance for years to come. So whether you’re a professional contractor or a DIY enthusiast, the DeWalt 20V battery is an excellent choice for all your power needs. Upgrade to this reliable and efficient battery today and experience the difference it makes in your projects!