![]() Just prior to the lights turning on, you should disconnect the battery. For a period of 2 to 3 seconds at a time, connect the battery to a power source. Remove the battery from the power source after a couple of seconds.So tell me, how do you do it? Examine the actions that come next. It continues doing this until it is no longer in the sleep zone. The battery gets a gradual boost by intermittently connecting it to a power source for just 2 or 3 seconds. A little more information about what transpires when your battery goes into sleep mode is provided in the graph below. This occurs if you use the tool until the battery is nearly dead and then leave it unplugged for a few days. If your battery won’t charge normally, it’s too flat to be safe for charging. Just enough charge is added to the battery to enable proper use of the charger. Specifically, gradually boosting the battery charge.īut exactly what does that mean? The battery can be awakened from its sleep by gradually charging it. You’ve cleaned the contacts, but your DeWalt battery still won’t charge. Method #2 Charge the Battery Slowly With Mini Boosts Proceed to the next approach if it doesn’t. To check if it charges, connect the tool to the charger.Make sure all the grime, dust, and dirt are completely gone. Use a clean rag to wipe over the contacts on the battery and the charger. ![]() What to do if your contacts are dirty is as follows. *NOTE: Fine sandpaper with grit between 320 and 400 should work for this task. If not, move on to the following strategy. Check to see if the tool charges by connecting it to the charger.Scrub the contacts gently on the battery and the charger with sandpaper*. Continue doing this until there is no more rust on them.So what can you do to address these issues? Do the following if your contacts are rusty. The battery cannot be charged properly if they are dirty. Rust prevents the battery from being able to charge. ![]() This will spare you from having to tear apart the battery or flip the garage upside down in an effort to locate your multimeter.įor the reasons listed below, you might need to clean the battery contacts on your DeWalt tool. Sometimes all your battery requires to get it working again is a thorough cleaning of the contacts. That is, to inspect and thoroughly clean your contacts. So let’s begin by fixing your DeWalt battery using the simplest technique possible. We’ll look at four options in this article. Most of the time, a DeWalt battery can be revived. It’s game over for the battery.īut there may be something you can do before you grab the battery and throw it into the trash with all of your might. The drill did not start when you turned it on. You came back prepared to begin drilling, fired up.
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