You will still get a solid red light on the charger if this is done incorrectly, however, the battery isn’t charging.Īs seen in the picture, there is a yellow button on the battery (color will vary depending on battery type). This ensures there’s an appropriate connection between the battery and charger terminals. You must press the button on the battery, as it slides down the charger. Press the button on the battery when plugging in You determined that it is indeed an issue with the battery and not the charger, then continue on to the next fix. If the issue is with the charger, I recommend you reach out to Dewalt as most equipment comes with a 3 year warranty. It is rare but you also could have two faulty batteries. If using a different battery and you still don’t get indicator lights on the charger, this means the charger is the issue. So now you know the issue is with the battery. When you plug in a different battery, if the lights on the charger appear, this tells you that the charger is working.

This will quickly determine if the problems with the particular battery or if the charger is not working. While the charger is plugged in, try a different Dewalt battery. Luckily, we have other ways to fix the problem: Make sure the charger is working: Try another battery So you determined the outlet you are using does in fact work, however, the battery is still not charging.

So check the outlet by plugging in another device such as a phone charger to ensure you are getting power. If the outlet is not working, it will not provide power to the charger, and therefore, the battery will be unable to charge. Do not overlook this step, it can save some time and effort. It could be that a fuse was blown or the outlet is damaged. This sounds incredibly simple, but often times it can be the case. If the outlet’s defective, try a different outlet and see if charger lights come on when battery is plugged in. Plug a different device into the outlet and make sure it works. If your Dewalt battery isn’t charging, the easy fix is to ensure the charger’s plugged into a functioning outlet.

Use speaker wire to connect dead battery to a healthy batteryĭewalt Battery Not Charging Make sure outlet you are using is working.

Slowly charge the battery for 2-3 minutes at a time.

Clean the connections of dirt and debris.

Press the button on the battery when plugging in.

Make sure the charger is working: Try another battery.

Make sure outlet you are using is working.

Dewalt 12 volt battery and charger