Dewalt vs Milwaukee: Battery Compatibility Explained
When it comes to power tools, Dewalt and Milwaukee are two of the most popular brands among professionals and DIY enthusiasts alike. Both offer high-quality tools and robust battery systems, but one question that often arises is: are Dewalt batteries compatible with Milwaukee tools, and vice versa?
Understanding Dewalt and Milwaukee Battery Systems
Before diving into compatibility, it's essential to understand the battery systems used by each brand.
- Dewalt: Dewalt uses 20V and 60V MAX batteries. The 20V batteries are the most common and are used in a wide range of tools. The 60V batteries power more demanding tools like brushless string trimmers and leaf blowers.
- Milwaukee: Milwaukee's battery platform is a bit more complex. They offer M12, M18, and M28 batteries. M12 batteries are used in smaller, lighter-duty tools, while M18 batteries power most of their tools, including cordless drills, impact drivers, and saws. The M28 batteries are used in their most demanding tools like cordless string trimmers and blowers.
Are Dewalt Batteries Compatible with Milwaukee Tools?
The short answer is no, Dewalt batteries are not compatible with Milwaukee tools. Here's why:
- Different Voltages: Dewalt's 20V batteries are not the same as Milwaukee's M18 batteries, which are 18V. Even though the voltage difference is small, it's enough to make them incompatible.
- Differing Battery Connectors: Dewalt and Milwaukee use different battery connectors. Dewalt uses a slide-on connector, while Milwaukee uses a locking connector. These connectors are not interchangeable.
Can Milwaukee Batteries Work with Dewalt Tools?
Similarly, Milwaukee batteries are not compatible with Dewalt tools. The reasons are the same: different voltages and battery connectors.
What About Battery Adapters?
Some third-party manufacturers produce battery adapters that claim to make Dewalt and Milwaukee batteries interchangeable. However, using these adapters can be risky. They can cause damage to your tools or batteries, and they may void the warranties on your equipment.
Why Not Just Buy the Same Brand?
While it might be tempting to mix and match batteries to save money, there are several reasons why sticking with the same brand is a good idea:

- Consistent Performance: Using the same brand of batteries ensures consistent performance across all your tools.
- Battery Life: Batteries from the same brand are designed to work optimally with that brand's tools, which can lead to longer battery life.
- Ease of Use: Using the same brand of batteries means you won't have to worry about compatibility issues or adapters.
Final Thoughts
While it's disappointing that Dewalt and Milwaukee batteries are not compatible, it's important to remember that both brands offer high-quality batteries that are designed to work optimally with their respective tools. Sticking with the same brand ensures consistent performance, longer battery life, and ease of use. If you're looking to expand your tool collection, it's best to stick with one brand or the other.
More Details
26.06.2025 ... Something I didn't know until yesterday was that a DeWalt battery will fit in a Milwaukee M18 tool if pressed forward enough, ...
14.11.2023 ... You will also have no thermal protection, so stick to lower powered tools. The other way around is better. Dewalt batteries are very dumb, so ...

Compatibility: There is no compatibility between Milwaukee battery systems, while DeWalt offers some inter-system compatibility. Price point: Milwaukee tools ...

18.10.2025 ... Is using a multi-platform battery adapter to run your Milwaukee tools on DeWalt batteries (or vice-versa) a genius money-saving hack or a ...

DeWalt and Milwaukee batteries may never be directly compatible - and that's by design. But with a reliable battery adapter, you can bridge the gap between the ...

28.04.2026 ... It's a brand new, unbranded adapter that lets you connect DeWalt 18V or 20V MAX lithium-ion batteries to Milwaukee M18 cordless tools. Important ...

10.08.2024 ... So, with the right adapter you can use a Dewalt battery on a Makita or Milwaukee tool. Adapters typically cost $13 - $18. Much less than ...

Kindly note that compatible with DeWalt 20V batteries to power compatible with Milwaukee 18v tools. The battery adapter is not compatible with high output tools ...

22.04.2023 ... ... Milwaukee M18 XC5.0 AH Batteries https://amzn.to/3FQqvBR 2 Pack 6.5Ah 18V Battery for Milwaukee https://amzn.to/3WmSUqm Metabo HPT Cordless ...

10.07.2025 ... A DeWalt battery won't fit into a Milwaukee or Makita tool. Adapters exist, but they are third-party and not recommended by DeWalt. Using ...

23.01.2024 ... I have a couple Craftsman tools, a weed eater and leaf blower, I purchased an adapter that will convert them to my M-18 Milwaukee batteries. It ...

The DeWalt 20V to Milwaukee 18V (M18) Battery Adapter allows you to use your DeWalt 20V batteries to power Milwaukee 18V and Milwaukee 18V Fuel tools. This ...

Just slide your Milwaukee battery onto the adapter, then plug it into your DeWalt tool. Opens up compatibility between two major tool brands. Great for ...

10.11.2024 ... In this video we show how it is possible to use different manufacturer battery's between different manufacturer tools. E.g. a Milwaukee ...

20.09.2025 ... Milwaukee batteries don't officially fit DeWalt tools, but third-party adapters exist. They work with risks like overheating, reduced life, ...

DeWalt's 20V MAX and 20V/60V MAX FLEXVOLT batteries are compatible with DeWalt tools, yet they are not compatible with the Milwaukee M18 system. Additionally, ...

27.02.2020 ... ... dewalt style battery adapters (18v to 20v and vice-versa) as I have both styles of batteries in various tools- despite...

09.05.2023 ... The answer is that cordless tool batteries are only compatible with the same brand (brand compatibility exists) provided they have the same voltage, amps, ...

06.01.2026 ... Using Milwaukee & Dewalt batteries on harbor freight tools. Milwaukee to Bauer https://amzn.to/4sprjW1 Dewalt to Bauer ...

Simply plug your Milwaukee 18V lithium-ion battery into this adapter, then attach it to your DeWalt 20V MAX tool—instant cross-compatibility! The adapter itself ...
