Using an old AC phone charger is best because it would become useless after this process. Using An Alternate Current Adapterįor this process, you would need an AC cell phone charger, a pair of scissors, a thin screwdriver, and a wire stripper. Connecting it the wrong way may lead to a completely damaged battery. Note that the terminals must be correctly connected. Remove the scissors, paper clips, or razor blades and test if the battery holds a charge.Leave the setup in place for about five minutes.Use the other pair of scissors, a second paper clip, or razor blades to connect the negative terminals to each other.Use scissors, paper clips, or razor blades to connect both positive terminals to each other.Here are the steps to set up the batteries You also need two pairs of scissors or two unfolded paper clips or razor blades. To do this, you need another fully charged battery, preferably of the same make, which in this case is another Dewalt battery. It is possible to pass the charge from an excellent battery to a weak one to boost it up. Continue this for about half an hour until the battery is safe enough to be charged usually.Repeat the process, removing the charger just before the lights come on.Connect the battery to the charger and let it charge for about 3 seconds, then turn it off.To get the battery charging properly again: In sleep mode, a battery is too low to charge normally hence the need for this controlled method. This method is effective for bringing batteries out of sleep mode.Īn effective way to bring a battery out of sleep mode is to charge it little by little, in short, controlled bursts, until it is up enough to charge properly. It happens when the battery is undercharged or left uncharged for a long time. Sleep mode is when a battery is completely drained, shutting it down and taking a while to boost. If the contacts are dirty, use a clean cloth to wipe the contacts and the charger till it is clean, then test with the charger to see if the battery charges. Connect the charger to see if it responds and charges the battery properly. If you have rusty contacts, scrub them and the battery charger until the rust is completely off. To clean the contacts, you need sandpaper with fine grit between 320 and 400, a clean rag, and a charger to test if the battery now charges fine. Cleaning the contacts removes the dirt, allowing current to flow freely into the battery. Dirty or rusty contacts will not allow charges to get through easily because it interferes with contact between the battery and cable. This is the easiest method to apply when fixing your Dewalt battery charging issue, so it is likely your first resort. Using an alternate current adapter Cleaning The Contacts.Charge tapping from another charged battery.You can apply different methods to get your battery working and holding charge again. You may experience difficulty in charging your Dewalt battery because of various reasons such as the charger not being plugged in properly, rusty contacts which inhibit the flow of current, and a completely dead battery requiring more time for the cells to reactivate, which is also known as sleep mode. Dewalt batteries do not self-discharge largely and have no memory effect. It has a LED indicator that shows you the charge level so you can know when it needs a recharge. The small dimensions and weight does not weigh down on the appliances it powers. Lightweight And Compactĭewalt batteries are light and easy to handle due to their composition and compact size.
#Dewalt 20v battery charger solid red light full#
It also gets to full charge fast, so you can get back to using it sooner. When fully charged, your Dewalt battery can last for an extended period. Dewalt batteries are tested and trusted by users for the following characteristics High Capacity The battery’s lifespan is also based on external factors such as the charge state before it was stored, the temperature, and conditions. Are Dewalt Batteries Worth It?ĭewalt batteries can last for up to three years or more. It is designed for heavy-duty power needs, providing high power capacity for a short time full charge. The 54V Dewalt battery is a powerful, long-lasting model. It also has a fuel gauge indicator to show the capacity levels.
The nominal voltage is about 10.8 volts, and the initial voltage without load is 12 volts. It is lightweight and compact with extended runtime and increased capacity. The LED fuel gauge displays the battery’s state of charge. This model is designed to resist wear and tear, with a three-year warranty. This standard Dewalt battery model is durable and built to last two times longer. The common types of Dewalt batteries include Dewalt 20V Batteries 7.4 What Is The Warranty Period On Dewalt Batteries? Types Of Dewalt Batteriesĭewalt manufactures batteries in different sizes and voltages to cater to the various power needs of other appliances.
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