Are Milwaukee and Dewalt Batteries Interchangeable? A Comprehensive Guide
When it comes to power tools, Milwaukee and Dewalt are two of the most popular brands, known for their durability, performance, and innovation. A common question among users is whether their batteries are interchangeable. This guide will delve into this question, providing a clear and concise answer, along with explanations and comparisons.
Understanding Milwaukee and Dewalt Battery Systems
Before we dive into the interchangeability of Milwaukee and Dewalt batteries, it's crucial to understand their respective battery systems.
Milwaukee M18 Battery System
The Milwaukee M18 battery system is a 18V lithium-ion platform that powers a wide range of Milwaukee tools. It features a slide-on design, with the battery sliding into the tool's battery compartment. The M18 system includes various battery packs, from compact 1.5Ah to high-capacity 9.0Ah, offering users flexibility based on their needs.
Dewalt 20V MAX Battery System
The Dewalt 20V MAX battery system is also a lithium-ion platform, but it operates at 20V. It uses a push-and-twist mechanism to secure the battery to the tool. Like the M18 system, Dewalt offers a range of battery capacities, from 1.5Ah to 6.0Ah, providing users with options to suit their workload.
Are Milwaukee and Dewalt Batteries Interchangeable?
The short answer is no, Milwaukee and Dewalt batteries are not interchangeable. Here's why:
- Voltage Difference: Milwaukee batteries are 18V, while Dewalt batteries are 20V. This voltage difference means that using a 20V battery in an 18V tool could potentially damage the tool or cause it to underperform.
- Battery Connectors: Milwaukee and Dewalt use different connector systems. Milwaukee uses a slide-on connector, while Dewalt uses a push-and-twist connector. These connectors are not compatible with each other.
- Battery Management Systems: Each brand has its own battery management system, which ensures the battery's safety and performance. Using a battery from one brand in a tool from the other could potentially cause issues with these systems.
Can You Use a Milwaukee Battery Charger to Charge a Dewalt Battery?
Given the voltage and connector differences, you cannot use a Milwaukee battery charger to charge a Dewalt battery, and vice versa. Each brand's chargers are designed to work with their respective battery systems.
What About Third-Party Batteries?
There are third-party batteries available that claim to be compatible with both Milwaukee and Dewalt tools. However, using these batteries can be risky. They may not perform as well as the original batteries, and they could potentially damage your tools. It's always best to stick with the original batteries from Milwaukee or Dewalt.
Final Thoughts
While it's disappointing that Milwaukee and Dewalt batteries are not interchangeable, it's important to understand that each brand has designed its battery system to work optimally with its tools. Using the correct battery ensures the best performance and longevity of your tools. If you're looking to switch between Milwaukee and Dewalt tools, it's best to invest in the appropriate batteries for each brand.
| Brand | Voltage | Connector |
|---|---|---|
| Milwaukee | 18V | Slide-on |
| Dewalt | 20V | Push-and-twist |
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, ...
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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 ...
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Got Milwaukee M18 batteries but want to use them on your DeWalt 20V MAX tools? This handy adapter makes it possible! Simply plug your Milwaukee 18V lithium-ion ...
【Conversion Compatible】Our battery adapter is exclusively upgraded for DeWalt 20V MAX cordless tools, serving as a power bridge for Milwaukee M18 18V ...
27.02.2020 ... ... dewalt style battery adapters (18v to 20v and vice-versa) as I have both styles of batteries in various tools- despite...
05.11.2021 ... Milwaukee and Dewalt tools and batteries are NOT interchangeable. Milwaukee is a 18v and Dewalt is 20v or 60v and each platform has a completely different ...
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 ...
Compatible with the following brands of batteries: DeWalt 20V MAX · Compatible with the following brands of cordless power tools: Milwaukee 18V (M18), Milwaukee ...
29.03.2026 ... If you have ever wanted to run your 18-20v tools on the same battery instead of having multiple different batteries to have to care for, ...
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 ...
10.08.2024 ... The battery packs between the major powertools makers are not interchangeable. They specifically have physically different packs so only the ...
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 ...
20.09.2025 ... Milwaukee batteries don't officially fit DeWalt tools, but third-party adapters exist. They work with risks like overheating, reduced life, ...
26.05.2025 ... Put your Milwaukee batteries on any tool. 410. Dislike. 54. Share. Video unavailable. This content isn't available. Skip video.
03.11.2025 ... Milwaukee offers M18 batteries at 18V and MX Fuel batteries at 72V. A recent addition to the MX Fuel range is Forge batteries that offer longer ...
Can a Dewalt battery adapter work with Milwaukee M18 tools? Yes, the Dewalt battery adapter for Milwaukee is compatible with specific 18V Dewalt batteries ...
