How to Revive a Dead Dewalt Battery? – Proven Methods

To jump a dead Dewalt battery, you will need a set of jumper cables and a functioning vehicle. Connect the red jumper cable to the positive terminal of the dead battery and the other end to the positive terminal of the good battery.

Then, attach the black cable to the negative terminal of the good battery and the other end to a metal surface on the dead vehicle. Start the functioning vehicle and let it run for a few minutes to charge the dead battery.

Once the dead battery has some charge, attempt to start the Dewalt tool. If successful, allow the tool to run for a while to further charge the battery. Having a dead Dewalt battery can be frustrating, especially when in the middle of a project.

Fortunately, jumping a dead battery is a simple process that can get you back to work quickly. We will discuss the steps to jump a dead Dewalt battery, providing you with valuable guidance to resolve this common issue.

How to Revive a Dead Dewalt Battery: Proven Methods for a Quick Jumpstart


Common Reasons For Dewalt Battery Failure

Dewalt battery failures can occur due to factors like overcharging, old age, or physical damage. To jump-start a dead Dewalt battery, connect it to a power source using jumper cables and allow it to charge before use.


Over Discharging

Over discharging deeply impacts battery life by causing stress on the cells.

Avoid using tools until fully dead and recharge promptly to prevent over discharging.

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Lack Of Maintenance

Neglecting routine maintenance leads to decreased battery performance.

Regularly check for corrosion, clean terminals, and store in a cool, dry place to maintain battery life.

Methods To Revive Dewalt Battery

Using A Charger

If your Dewalt battery is dead, using a charger is a simple and effective way to revive it. Connect the charger to the battery and let it charge for the recommended duration. Avoid overcharging as it can damage the battery further.

Freezing Method

The freezing method is another technique to revive a dead Dewalt battery. Place the battery in a plastic bag and seal it tightly. Then, put it in the freezer for 24 to 48 hours. Once removed, allow it to return to room temperature before attempting to charge or use it.

Reviving With Epsom Salt Solution

You can also try reviving your Dewalt battery using an Epsom salt solution. Create the solution by mixing 1 to 2 tablespoons of Epsom salt with warm water.

Submerge the dead battery in the solution for a few hours. Afterward, rinse the battery with clean water and let it dry before attempting to charge it.

Preventive Measures For Dewalt Battery Maintenance

Proper maintenance of your Dewalt battery is essential to ensure its optimal performance and longevity. By following these preventive measures, you can keep your Dewalt battery in top shape, preventing any unexpected dead battery situations.

Regular Usage

Regularly using your Dewalt battery is key to its health and longevity. Keep in mind these points for regular usage:

  • Ensure regular charge cycles: It is recommended to fully charge and discharge your Dewalt battery at least once every 2-3 weeks to prevent capacity loss.
  • Avoid deep discharges: Try not to completely drain the battery before recharging, as it can put unnecessary strain on the cells.
  • Keep battery cool: Excessive heat can reduce the battery’s lifespan. Avoid exposing the battery to direct sunlight or leaving it in hot environments for prolonged periods.
  • Use the right charger: Always use the Dewalt charger that is specifically designed for your battery model. Using incompatible chargers can damage the battery.
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Proper Storage

When the Dewalt battery is not in use, proper storage is essential to maintain its health. Follow these guidelines for proper storage:

  • Charge the battery before storage: Ensure the battery is fully charged before storing it. A partially charged battery can lose capacity over time.
  • Store in a cool, dry place: Find a cool and dry environment to store your battery to prevent temperature extremes and moisture damage.
  • Avoid extreme temperatures: Do not expose the battery to extremely high or low temperatures, as it can adversely affect its performance.
  • Remove the battery from the tool: If you won’t be using the tool for an extended period, remove the battery to prevent any power drain or potential damage.

By following these preventive measures for Dewalt battery maintenance, you can ensure that your battery stays in optimal condition, minimizing the chances of encountering a dead battery.

Incorporating these guidelines into your battery care routine will help extend its lifespan and provide you with reliable power when you need it.

Safety Precautions

Jump-starting a dead Dewalt battery should be done with caution to ensure safety. Follow these steps carefully to avoid any potential hazards and to effectively revive your battery.

Avoiding Overcharging

Using Compatible Chargers

Benefits Of Reviving Dewalt Battery

Reviving a dead Dewalt battery comes with several advantages that are worth considering. By rejuvenating your Dewalt battery, you can

Cost-effective Solution

Reviving your Dewalt battery is a budget-friendly option, saving you the expense of purchasing a new battery unit.

Environmental Impact

Extending the life of your Dewalt battery through revival helps minimize environmental waste, reducing the need for disposal and contributing to sustainability.

Alternative Options

When it comes to alternative options for jumpstarting a dead Dewalt battery, there are a few routes you can take if the traditional methods don’t work. Check out the following alternatives:

Battery Replacement

If attempts to jumpstart fail, consider replacing the dead battery with a new Dewalt battery for optimal performance.

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Professional Reviving Services

For complex issues or if you’re unsure about jumpstarting techniques, seek professional reviving services to efficiently restore your Dewalt battery.

How to Revive a Dead Dewalt Battery: Proven Methods for a Quick Jumpstart

Frequently Asked Questions

How Do You Jumpstart A Bad Dewalt Battery?

To jumpstart a bad Dewalt battery, connect it to a known good battery using jumper cables.

Allow the good battery to charge the bad one for a few minutes before attempting to use it. Be cautious and follow safety guidelines provided by Dewalt.

How Do You Jumpstart A Dead Power Tool Battery?

To jumpstart a dead power tool battery, use a compatible charger and connect it to the battery. Allow it to charge fully before using the tool.

How To Jump Start A Dead Lithium Battery?

To jump start a dead lithium battery, connect it to a fully charged battery using jumper cables.

Wait a few minutes and try starting the dead battery. Do not attempt to jump start a damaged lithium battery.

What Can I Do With A Bad Dewalt Battery?

If you have a bad Dewalt battery, you can try reconditioning it or replacing it with a new one.


Reviving a dead Dewalt battery is simple once you understand the steps. So, the next time your Dewalt battery dies, don’t panic! Just follow the easy steps outlined in this blog post and you’ll have your Dewalt battery up and running in no time.

With these tips, you can extend the life of your Dewalt battery and save money in the long run. Keep using these methods to maintain the life and performance of your Dewalt battery for years to come.

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