You should move the drill and the battery away from anything flammable. A battery that has overheated or shorted out is a fire hazard. If you have a smoking drill battery, be very careful. Why is My Cordless Drill Battery Smoking? However, if you get a reading below the listed battery voltage, your battery is likely in need of replacement. This ensures you have a properly functioning battery. If you have an 18-volt battery, you should read 19 volts on the multimeter. Then, you will apply the probes to the positive and negative terminals of the battery.Īfter this, you will get a voltage reading on your multimeter. After this, take your battery and charge it according to the manufacturer’s recommended charge time. How do you use a multimeter to test your cordless drill battery?įirst, make sure the multimeter is properly functioning. A multimeter is a very useful tool around the house and in the garage.īasically, a multimeter will measure your battery’s function and give you a numerical value associated with the function of that battery. And, there is more than one way to test a drill battery. There is more than one way to climb a mountain. Use a Multimeter to Test Your Cordless Drill Battery Be sure to check the drill’s usability with a working battery to ensure you don’t make this mistake. It would be a shame to throw away perfectly useable batteries just because you assumed they were the problem. Note: though rare, there are times when the drill itself could fail. If, after allowing the battery ample time to charge, your drill still isn’t operating properly, then it’s time to invest in a new battery. Place the battery on the charger and allow it to charge for the designated period. You then make sure you have a working charger. First, you determine the appropriate amount of time required to charge the battery based on the manufacturers’ recommendations. The charge test for your batteries is very straightforward. So, here are several ways to tell if your cordless drill battery has gone bad:Īlight, let’s go over these in more detail. However, working with batteries can be dangerous, so for our purposes, we will stick with handling the batteries in a simple, straightforward fashion. Now, for those who are mechanically inclined, there may be more advanced techniques you can use to revive or replace a rechargeable battery pack. Ways to Test the Battery Life of Your Cordless Drillīefore you throw away your cordless drill battery, you want to make sure the battery is actually dead. We will go over ways to assess your battery’s life, what types of batteries last the longest, and how you can optimize your drill’s battery life. ![]() There are ways to extend your battery’s charge, and there are also more specific ways to examine your battery’s effective life. If your drill battery is losing power and in line with the expected lifespan, it’s probably time for a new battery. Rechargeable batteries have an expected lifespan given by the manufacturer. It’s a shame to throw them away! However, sometimes a battery has lived its life, and it’s time to get something new. Rechargeable drill batteries are expensive.
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