Use 18v battery on 20v dewalt

As you might know, the difference between Dewalt 20V Max and 18V is essentially marketing in nature, rather than relating to electrical power. There is no functional difference between 20V Max and 18V! More than At the time, Dewalt said there were still 63 million 18V stem-style batteries still in the field, and that they would continue to support the 18V platform for a long time.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I see all the new Dewalts seem to be 20 volt. I have a good number of newer 18 volt batteries. Can the 20 volt saw use the 18 volt batteries?

Use 18v battery on 20v dewalt

We promise you. Here in the U. A voltmeter is all that it takes to offer some quantifiable data, and a look inside the battery will show you why. Inside your battery pack are the individual battery cells. In an 18V or 20V Max system, they are always set in groups of 5 wired in a series. Each group of 5 is then wired in parallel to increase the number of amp-hours and overall battery capacity in watt-hours. For more on that, check out our feature on Voltage vs Amp Hours. Each one of those battery cells has two voltage ratings — nominal and maximum. The amount of voltage that a battery produces when fully charged is higher than when it begins to discharge, even slightly. Each battery cell has a nominal voltage of 3. This brings up several interesting talking points.

Look for the DeWalt asterisk.

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One question that often comes up is whether or not you can use an 18 volt battery in a 20 volt Dewalt tool. The short answer is no, you should not use an 18 volt battery in a 20 volt Dewalt tool. The reason for this is that the voltage difference can cause damage to both the battery and the tool itself. On the other hand, using a battery with a higher voltage can overload the tool, causing it to overheat and potentially damage the battery. So, can you use a 20 volt battery in an 18 volt Dewalt tool? The answer to this question is also no.

Use 18v battery on 20v dewalt

We promise you. Here in the U. A voltmeter is all that it takes to offer some quantifiable data, and a look inside the battery will show you why.

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Save my name, email, and website in this browser for the next time I comment. We were just discussing this in a separate topic. Leave a Reply Cancel reply Your email address will not be published. And they are genuine, they are not knock offs. I bought a pair of cheap Chinese no-name Lithium batteries for my aging Black and Decker tool set. My 18 volt tools work great and upgrading is not needed. Only caveat I'd add is look at the AH rating. More than One year earlier, in June , Dewalt launched their 12V Max cordless power tool system. I understand that there is still confusion between 20V Max and 18v because I live in the Azores and we have the 18v XR system, the only one that changed was from

As an affiliate, we may earn a commission from qualifying purchases. We get commissions for purchases made through links on this website from Amazon and other third parties. DeWalt is known worldwide for its wide selection of power tools.

I never liked those tools, the life span of their NiCad batteries was terrible, and they lost power quickly when using them. I just realized that I do have one quite old M12 battery, it is a 1. Your Bosch 12V reference here was very educational. One of the most important aspects of lawn care is fertilization, but it can be easy to do more harm […]. I felt like a goober putting my 18v battery in my cooler with ice to cool it down to recharge. One small victory. For example their 12V max 3Ah batteries say 36Wh instead of the true They're fine if you just want to run an impact or drill for light stuff, but they won't cut 8 feet across hot butter if you are using the sawzall or skilsaw. Insert Quotes Quotes Post Reply. Some stores will rebuild your existing battery I have found there to be far less confusion between 12V Max and Log in. The 18 volt nicad tools were not meant to run on the lipo 20's so they die quick. I bought a Makita 18V battery and a third-party one the same size off of Amazon in the same week.