Welcome to our guide on how to fix a Kobalt 80V Battery not charging. The Kobalt 80V battery is a powerful and efficient battery that is used in various power tools, including leaf blowers, lawn mowers, chainsaws, and more. However, like any other rechargeable battery, it is prone to issues that may hinder its charging abilities. In this guide, we will discuss the common causes of a Kobalt 80V battery not charging and provide you with practical solutions to fix it.
What Is Kobalt 80V Battery?
Before we dive into troubleshooting a Kobalt 80V battery not charging, let’s take a moment to understand what it is. The Kobalt 80V battery is a crucial component of the Kobalt 80-volt Max system, an exceptional line of cordless power tools meticulously designed and exclusively offered by Lowe’s Companies Inc. This battery boasts an impressive voltage of 80 volts, placing it among the most potent batteries available in the market today. Its exceptional power capacity ensures prolonged usage, while its fast charging capabilities provide a quick turnaround time for uninterrupted productivity. Additionally, the Kobalt 80V battery is engineered to be compatible with a wide range of Kobalt 80-volt Max tools, offering versatility and convenience for users across various applications. With its remarkable features and reliable performance, the Kobalt 80V battery truly stands out as a top-notch choice for professionals and DIY enthusiasts alike. 
Reasons Why The Kobalt 80V Battery Won’t Charge
Now that we have a good understanding of the Kobalt 80V battery, let’s get into why it may not be charging. Here are some common causes to consider:
- Faulty Charger: One of the most common reasons for a Kobalt 80V battery not charging is a faulty charger. Over time, chargers can wear out or become damaged, resulting in the inability to properly charge the battery. If you suspect that your charger is the issue, try using a different charger or getting it checked by a professional.
- Damaged Battery: Another possible cause for a Kobalt 80V battery not charging could be physical damage to the battery itself. Dropping, hitting, or exposing the battery to extreme temperatures can all lead to internal damage that may affect its charging abilities. In this case, the battery will likely need to be replaced.
- Battery Holders Not Making Proper Contact: The Kobalt 80V battery is designed with built-in safety features, including battery holders that ensure a secure connection between the battery and tool. If these holders become dirty or damaged, it can prevent proper contact and result in a battery not charging. Cleaning the holders or replacing them can help resolve this issue.
- Defective Battery Cells: Inside every Kobalt 80V battery are individual cells responsible for storing and supplying power. If one or more of these cells become damaged, it can affect the overall performance of the battery, including its ability to charge. Unfortunately, this often means the entire battery will need to be replaced. 
Hart 20v Battery Terminals
First Terminal: Negative (-)
The first Hart 20V battery terminal, clearly identified by a “negative” symbol (-), plays a crucial role in the battery’s functionality. It serves as the negative terminal and is usually accompanied by a black wire that facilitates its connection. This terminal is responsible for linking to the negative end of every individual cell nestled within the battery, ensuring an efficient flow of power throughout the entire system. 
Three Hidden Terminals
Inside the Hart 20V battery, there are three hidden terminals strategically placed to facilitate seamless communication between the battery and charger. These terminals, although crucial for optimal charging performance, can sometimes become dirty or damaged, leading to charging issues. In such cases, it is advisable to delicately clean or replace them, ensuring uninterrupted power supply for your devices. 
Fifth Terminal: Positive (+)
The fifth and final Hart 20V battery terminal, clearly identifiable by the “positive” symbol (+), is the positive terminal responsible for powering the device. It is usually distinguishable by the red wire that is connected to it, indicating its positive charge. This terminal serves as the connection point to the positive end of each individual cell within the battery, ensuring the efficient flow of power throughout the entire battery system. 
How To Charge A Kobalt 80V Battery?
Now that we have covered the common causes of a Kobalt 80V battery not charging, let’s go over how to properly charge it for maximum performance. Here are the steps to follow:
- Prepare The Charger: Before charging your Kobalt 80V battery, make sure that the charger is in good condition and free from any dirt or debris. Check the charger’s cable for any signs of damage or wear. Clean the charging port on the battery and the charger to ensure a proper connection.
- Ensure Proper Connection: Connect the charger to a power outlet and ensure that it is securely plugged in. Make sure there are no loose connections or power interruptions that could affect the charging process.
- Insert The Battery: Insert the battery into the charger, making sure that all terminals are properly aligned and making contact. Gently push the battery into place until you hear a click or feel it secure in the charger. This ensures a solid connection between the battery and charger.
- Wait For Full Charge: Allow the battery to charge fully before using it again. It usually takes around 60 minutes for a Kobalt 80V battery to charge fully. During the charging process, you may notice the charger’s indicator light changing colors or flashing to indicate the charging status. Avoid interrupting the charging process to ensure a complete and efficient charge.
- Store The Battery Properly: After use, make sure to store the battery in a cool and dry place to prevent any damage and maintain its performance. Avoid exposing the battery to extreme temperatures or storing it in a humid environment, as this can negatively impact its lifespan and overall performance. Consider using a dedicated storage case or container to protect the battery from any potential physical damage. 
By following these detailed steps, you can ensure that your Kobalt 80V battery is charged properly and ready to deliver optimal performance whenever you need it.
Check The Charger With A Multimeter First
To use a multimeter on your Kobalt 80V charger, follow these steps:
- Set The Multimeter: Set the multimeter to DC voltage mode and select a range that can measure up to 20 volts.
- Connect The Probes: Connect the red probe to the positive terminal of the charger and the black probe to the negative terminal. Make sure there is no contact between the two probes to avoid short-circuiting.
- Check The Reading: With the charger plugged in, check the multimeter’s reading. It should show a voltage close to the battery’s output voltage, which is usually around 80 volts for a fully charged Kobalt 80V battery.
- Repeat For Other Terminals: Repeat this process for all the terminals on the charger to ensure they are all providing the correct voltage. If any terminal shows a significantly lower voltage or no reading at all, it may indicate a malfunction or damage that needs to be addressed. 
Clean Off The Terminals
Another common issue with charging a Kobalt 80V battery is dirty or corroded terminals. Over time, dust, dirt, and debris can accumulate on the battery’s terminals, affecting their ability to make a proper connection with the charger. This can result in an incomplete charge or even prevent the battery from charging altogether.
To clean off the terminals on your Kobalt 80V battery, follow these simple steps:
- Prepare Cleaning Solution: Mix equal parts water and baking soda to create a mild cleaning solution.
- Dampen A Cloth: Dampen a cloth or sponge with the cleaning solution and gently wipe down all the terminals on the battery.
- Rinse And Dry: After wiping off the terminals, rinse them with clean water and dry them off thoroughly with a cloth or towel.
- Reconnect And Charge: Once the terminals are cleaned and dry, reconnect the battery to the charger and let it charge as usual. 
By regularly cleaning the terminals on your Kobalt 80V battery, you can prevent any potential charging issues and ensure optimal performance every time.
Check That There Is Power From The Outlet
If your Kobalt 80V battery still won’t charge, it’s essential to check that the power outlet you are using is functioning correctly. In some cases, a malfunctioning outlet can affect the charging process and give the appearance of a faulty battery or charger.
To check if there is power from the outlet, follow these steps:
- Try Another Device: Plug in a different device, such as a phone charger, into the same outlet to see if it is receiving power. If the device charges normally, you can assume that the outlet is functioning correctly.
- Reset The Breaker: If the outlet does not provide power, check your circuit breaker and reset it if necessary.
- Use A Different Outlet: If resetting the breaker does not work, try plugging the charger into a different outlet to see if that makes a difference. 
By following these steps, you can determine if the issue is with your Kobalt 80V battery or charger or with the power source itself. If all else fails, consult a professional for further assistance and troubleshooting.
Hold The Power Button Down
In some cases, a simple reset can fix any issues with charging your Kobalt 80V battery. To do this, hold down the power button on the battery or the tool for 15-20 seconds and then try charging again.
If the issue persists, it may be necessary to contact Kobalt’s customer service for further assistance. They may recommend a replacement battery or charger if the issue cannot be resolved through troubleshooting. Remember to always follow safety precautions and consult the manual before attempting any fixes on your Kobalt 80V battery or charger. With proper maintenance and care, you can ensure that your Kobalt 80V battery will continue to provide reliable power for all your tools and tasks. 
Troubleshoot Your Cable, Charger, Outlet & Case
If all else fails, it may be necessary to troubleshoot each component of the charging process individually. Start by checking the cable for any visible damage or frayed wires. If the cable is damaged, replace it with a new one.
Next, try using a different charger to see if that solves the issue. If not, check the outlet and circuit breaker again to ensure that they are providing power.
Lastly, inspect the battery storage case or container for any damage that may be affecting the battery’s charging ability. Replace the case if necessary to ensure optimal protection for your Kobalt 80V battery. 
By systematically troubleshooting each component, you can identify and resolve any issues with charging your Kobalt 80V battery.
Troubleshoot Your Battery Charge Indicators
The Kobalt 80V battery has a helpful charge indicator that allows you to monitor its charging progress. If the battery is not charging, check the indicators and refer to the manual for any troubleshooting steps.
One common issue with the charge indicators is that they may become stuck in one position, giving the appearance of a fully charged or dead battery. To fix this, gently tap the battery against a hard surface to dislodge any stuck indicators.
If the charge indicators continue to malfunction, it may be necessary to contact Kobalt’s customer service for further assistance and potential replacement. 
Troubleshoot Your Screen & Buttons
Another potential issue with charging the Kobalt 80V battery is a malfunctioning screen or buttons on the charger. If you notice that the screen is not displaying any information or the buttons are unresponsive, it may indicate a problem with the charger itself.
First, check for any visible damage or loose connections on the charger. If everything appears to be in good condition, try resetting the charger by unplugging it and plugging it back in.
If the issue persists, contact Kobalt’s customer service for further assistance and potential replacement of the charger. 
Consider Replacing The Battery
Advantages Of Kobalt 80V Battery
Even though troubleshooting charging issues can be frustrating, there are many advantages to using a Kobalt 80V battery. Some of these benefits include:
- Reliable and long-lasting power: The Kobalt 80V battery is designed to provide dependable and consistent performance throughout its lifespan.
- Fast charging time: With the included rapid charger, you can have your battery fully charged in just 30 minutes, allowing you to quickly get back to your tasks.
- Compatibility: The Kobalt 80V battery is compatible with a wide range of Kobalt tools, making it a versatile and cost-effective option for all your power needs.
- Lightweight and ergonomic design: The battery’s compact size and ergonomic design make it easy to handle and use for extended periods without causing strain or fatigue.
- Environmentally friendly: The Kobalt 80V battery is designed to be more environmentally friendly compared to traditional gas-powered tools, making it a greener option for your projects. 
Disadvantages Of Kobalt 80V Battery
While the Kobalt 80V battery offers many advantages, there are a few potential downsides to consider as well:
- Cost: The initial cost of purchasing a Kobalt 80V battery may be higher compared to traditional gas-powered tools. However, it can save you money in the long run due to its longer lifespan and lower maintenance costs.
- Limited availability: The Kobalt 80V battery may not be as readily available in all areas compared to other brands. This could make it challenging to find replacement batteries or chargers if needed.
- Limited runtime: While the Kobalt 80V battery provides reliable and consistent power, it does have a limited runtime compared to gas-powered tools. This means you may need to have spare batteries on hand for longer or more extensive projects. 
Safety Precaution Tips
When troubleshooting your Kobalt 80V battery or charger, it’s essential to keep safety in mind. Here are a few precautionary tips to follow:
- Always wear appropriate protective gear when handling the battery or tools.
- Do not use damaged or frayed cables, chargers, or batteries.
- Keep the battery and charger away from water and extreme temperatures.
- Do not attempt to repair or modify the battery or charger yourself. Leave it to a professional.
- Keep the battery and charger out of reach of children and pets. 
By following these safety precautions, you can ensure your well-being and prolong the lifespan of your Kobalt 80V battery.
What is the recovery mode on a Kobalt 80V battery?
The recovery mode on a Kobalt 80V battery is a safety feature that automatically activates if the battery becomes too hot or cold. It will temporarily stop charging and display an error code on the charger’s screen, indicating that it needs to cool down or warm up before resuming charging.
How do you hard reset a battery?
To hard reset a Kobalt 80V battery, follow these steps:
- Remove the battery from the charger and disconnect any power sources.
- Press and hold down the power button on the battery for 15 seconds.
- Release the power button and reinsert the battery into the charger or tool.
- Allow it to charge fully before using it again.
Can you reset a lithium battery?
Yes, you can reset a lithium battery by performing a hard reset as outlined above. This process will recalibrate the battery’s internal circuitry and improve its performance.
Where is the reset button on a battery?
Not all batteries have a physical reset button. In the case of a Kobalt 80V battery, you can perform a hard reset by holding down the power button for 15 seconds. Refer to your specific battery’s manual for more information on how to reset it.
How do I know if my lithium battery is damaged?
If a lithium battery is damaged, it may show signs such as swelling, leaking, or overheating. It may also have a significantly decreased runtime and performance. If you suspect your battery is damaged, it’s best to stop using it and have it inspected by a professional. Overall, while charging issues can be frustrating, they can often be easily resolved with simple troubleshooting steps.
How do I get my lithium battery to work again?
To get your lithium battery working again, try the following steps:
- Ensure all connections are secure and clean.
- Use a different charger to rule out any issues with the original one.
- Perform a hard reset on the battery as outlined above.
- If possible, test the battery on another compatible tool to see if it works there.
What causes lithium batteries to stop working?
Lithium batteries may stop working due to a variety of reasons, such as overcharging, exposure to extreme temperatures, physical damage, or natural wear and tear. However, with proper care and maintenance, lithium batteries can have a lifespan of several years. Overall, the Kobalt 80V battery is a reliable and efficient power source for your tools.
Useful Video: Kobalt 80V Battery Recovery and Teardown – ElementalMaker
Dealing with charging issues can indeed be frustrating when it comes to your Kobalt 80V battery. However, it’s important to keep in mind the numerous benefits this battery offers, as well as the fact that simple troubleshooting steps can often resolve the problem. By following safety precautions and adopting proper maintenance practices, you can ensure the longevity of your battery and fully enjoy the advantages it provides for all your power needs. We sincerely hope that this comprehensive guide has provided you with a deeper understanding of the Kobalt 80V battery and equipped you with the necessary knowledge to address any charging problems you may encounter. So go ahead, embrace the joys of DIYing with confidence and make the most out of your Kobalt 80V battery!