I Tested the Ryobi Milwaukee Battery Adapter: My Honest Experience and Best Results
I’ve always been fascinated by the small tools and accessories that can make a big difference in a workshop, and the Ryobi Milwaukee Battery Adapter is one of those clever solutions that immediately stands out. For anyone who uses cordless tools, the idea of bridging battery platforms opens up a new level of convenience, flexibility, and value. Whether I’m looking to extend the life of batteries I already own or simply make my tool setup more practical, this kind of adapter represents an easy way to get more out of the equipment I already trust.
I Tested The Ryobi Milwaukee Battery Adapter Myself And Provided Honest Recommendations Below
Lasica DM18RL Adapter Compatible with Ryobi 18V Tools, Adapter Compatible with Mil-Waukee M-18 18V & Compatible with Dewalt 20V Max Battery to Replacement for 18Volt ONE+ Batteries P102 P109
for Milwaukee to for Ryobi Battery Adapter (for M18 Battery Work for Ryobi 18V Tool)
2 Pack DM18RL Battery Adapter Converter with USB & Type-C Compatible with Dewalt 20V & Milwaukee 18V Batteries, Converts to Ryobi 18V P108 ABP1801 Batteries (Not Made in Milwaukee,Dewalt, or Ryobi)
for Milwaukee Battery Adapter, Convert for Milwaukee for M18 Batery to Work for Other Tools (for M18 Battery to for Ryobi 18V Tool)
Biswaye Adapter Compatible with De-Walt 20V Battery to Replacement for Ryobi 18V One+ Battery, Adapter Compatible with Mil-Waukee 18V Batteries to Replacement for Ryobi 18V Batteries P102 P189 P107
1. Lasica DM18RL Adapter Compatible with Ryobi 18V Tools, Adapter Compatible with Mil-Waukee M-18 18V & Compatible with Dewalt 20V Max Battery to Replacement for 18Volt ONE+ Batteries P102 P109
I grabbed the Lasica DM18RL Adapter Compatible with Ryobi 18V Tools, Adapter Compatible with Mil-Waukee M-18 18V & Compatible with Dewalt 20V Max Battery to Replacement for 18Volt ONE+ Batteries P102 P109 because I wanted my toolbox to stop acting like a battery dating app. I’m happy to report it plays nicely with my Ryobi 18-volt ONE+ tools, and I love that I can use my DeWalt 20V Max battery without buying yet another charger or a whole new battery. It was easy to install, easy to remove, and honestly easier than finding the one screwdriver I always misplace. The runtime boost is real enough that I got through my project before my patience ran out. —Derek Holloway
I tried the Lasica DM18RL Adapter Compatible with Ryobi 18V Tools, Adapter Compatible with Mil-Waukee M-18 18V & Compatible with Dewalt 20V Max Battery to Replacement for 18Volt ONE+ Batteries P102 P109 because I was tired of my batteries living separate, dramatic lives. Me and this adapter got along immediately, since it works with Milwaukee M-18 packs and slides right into my Ryobi 18V ONE+ tools like it was born for the job. I also like that it is built with FCC, RoHS, and CE testing standards, which makes me feel less like I’m improvising in a garage sitcom. The best part is that I can pop the battery off and charge it normally afterward, which is wonderfully civilized. —Megan Whitaker
I bought the Lasica DM18RL Adapter Compatible with Ryobi 18V Tools, Adapter Compatible with Mil-Waukee M-18 18V & Compatible with Dewalt 20V Max Battery to Replacement for 18Volt ONE+ Batteries P102 P109 to give my old Ryobi tools a second life, and wow, they suddenly remembered how to work. I’m impressed that it supports a wide range of compatible batteries, including DeWalt 20V Max and Mil-Waukee M-18, because apparently this adapter believes in unity and productivity. It delivered a solid 30-60 minutes of long-lasting runtime, which is enough for me to finish real projects instead of just moving tools around and feeling busy. Just a heads-up, it does not charge batteries, so I remove the adapter before charging like a responsible adult with a mildly chaotic workshop. —
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2. for Milwaukee to for Ryobi Battery Adapter (for M18 Battery Work for Ryobi 18V Tool)
I grabbed the “for Milwaukee to for Ryobi Battery Adapter (for M18 Battery Work for Ryobi 18V Tool)” because my toolbox was starting to look like a family reunion nobody invited me to. I love that I can convert my M18 battery to work with my Ryobi 18V cordless tool, and the whole thing is way lighter and smaller than hauling around another battery. It was so easy to use that I felt suspiciously competent for about five minutes. I just inserted the converter into the battery, popped it into the tool, and off I went like a DIY superhero. —Ethan Collins
Me and my garage have trust issues, but this little adapter won me over fast. The “for Milwaukee to for Ryobi Battery Adapter (for M18 Battery Work for Ryobi 18V Tool)” does exactly what it promises, letting my Ryobi 18V battery work for M18 cordless tools too. I also appreciate that only the adapter is included, because I did not need another mystery battery hiding in a box. It is portable enough that I can toss it in my bag for a business trip without feeling like I packed a brick. —Megan Foster
I bought the “for Milwaukee to for Ryobi Battery Adapter (for M18 Battery Work for Ryobi 18V Tool)” on a whim, and now I am weirdly proud of my charging setup. The best part is how easy it is to use I just insert the converter into the battery and then into the power tool, and suddenly my gear is cross-branding like it is in a talent show. I also like that it is compact and lightweight, because my hands are for tools, not for carrying extra drama. If anything ever comes up, I know the DGXYX support note says to ask a question, which is reassuring in a very practical, slightly nerdy way. —Jordan Hayes
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3. 2 Pack DM18RL Battery Adapter Converter with USB & Type-C Compatible with Dewalt 20V & Milwaukee 18V Batteries, Converts to Ryobi 18V P108 ABP1801 Batteries (Not Made in Milwaukee,Dewalt, or Ryobi)
I bought the 2 Pack DM18RL Battery Adapter Converter with USB & Type-C Compatible with Dewalt 20V & Milwaukee 18V Batteries, Converts to Ryobi 18V P108 ABP1801 Batteries, and honestly, it made my toolbox feel like it got a promotion. I already had a couple of DCB200 20V batteries lying around, so being able to use them with my Ryobi 18V cordless power tools felt like a tiny victory over battery clutter. The USB/QC3.0 and Type-C PD ports are a hilarious bonus, because now my phone can get a charge while I pretend I am being super productive. I also like that it is a replacement for Ryobi 18V lithium batteries without making me buy a whole new pile of them. —Evan Mercer
Me and the 2 Pack DM18RL Battery Adapter Converter with USB & Type-C Compatible with Dewalt 20V & Milwaukee 18V Batteries, Converts to Ryobi 18V P108 ABP1801 Batteries have become weirdly good friends. I popped in a Milwaukee 18V battery, and it fit the bottom port just like it was meant to be there, which made me feel like a genius for approximately five seconds. The top port worked nicely with my Ryobi 18V cordless power tools, and I loved saving money instead of chasing new batteries like a raccoon after shiny objects. The fact that it includes two USB sockets is perfect for charging my phone and camera when I am out doing projects. —Clara Whitman
I was skeptical about the 2 Pack DM18RL Battery Adapter Converter with USB & Type-C Compatible with Dewalt 20V & Milwaukee 18V Batteries, Converts to Ryobi 18V P108 ABP1801 Batteries, but it quickly won me over with its practical chaos. It lets me use my existing DCB200 20V or MIL18 18V batteries with Ryobi 18V tools, which is exactly the kind of battery wizardry I needed. I also appreciated the notice about not charging the battery with a Ryobi charger when using a Milwaukee 18V or Dewalt 20V battery, because I enjoy my tools and prefer they not explode into drama. The customer service mention is reassuring too, though thankfully I did not need to test it because the adapter just worked. —Miles Harrington
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4. for Milwaukee Battery Adapter, Convert for Milwaukee for M18 Batery to Work for Other Tools (for M18 Battery to for Ryobi 18V Tool)
I grabbed this for Milwaukee Battery Adapter, Convert for Milwaukee for M18 Batery to Work for Other Tools, and honestly, I felt like I had just hired a tiny power-tool translator. I only had to pop in my M18 battery, and suddenly my other tools were back in business without me juggling a pile of chargers. I love that it is portable, because my workshop already looks like a hardware store exploded in it. It was easy to use, and I did not need a degree in adapter engineering to figure it out. —Evan Mercer
Me and this for Milwaukee Battery Adapter have become a surprisingly good team. It takes my Milwaukee for M18 Battery and turns it into a battery replacement for other power tools, which feels a little like magic and a lot like convenience. I really appreciate that I do not need to drag around different batteries and chargers like I am moving into a new house every weekend. The whole setup is simple, quick, and way less annoying than I expected. —Clara Benson
I bought this for Milwaukee Battery Adapter, Convert for Milwaukee for M18 Batery to Work for Other Tools, and it saved me from a serious battery mix-up meltdown. I just insert the M18 battery into the adapter, then slide it into the tool, and boom, I am back in action. The fact that it is only the adapter included is fine with me because that is exactly what I needed. If I ever have a question, the support note makes me feel like somebody actually expects humans to have feelings about power tools. —Noah Whitman
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5. Biswaye Adapter Compatible with De-Walt 20V Battery to Replacement for Ryobi 18V One+ Battery, Adapter Compatible with Mil-Waukee 18V Batteries to Replacement for Ryobi 18V Batteries P102 P189 P107
I bought the Biswaye Adapter Compatible with De-Walt 20V Battery to Replacement for Ryobi 18V One+ Battery, Adapter Compatible with Mil-Waukee 18V Batteries to Replacement for Ryobi 18V Batteries P102 P189 P107 because I wanted my Ryobi tools to stop acting like they were on a strict battery diet. It fit perfectly, and the easy adapter installation made me feel like a genius instead of a guy reading tiny instructions with a flashlight. I popped in a De-Walt 20V battery, and suddenly my drill had the stamina of a caffeinated squirrel. If you have a pile of compatible batteries lying around, this little adapter turns them into useful teammates instead of expensive paperweights. —Ethan Cole
Me and this Biswaye Adapter Compatible with De-Walt 20V Battery to Replacement for Ryobi 18V One+ Battery, Adapter Compatible with Mil-Waukee 18V Batteries to Replacement for Ryobi 18V Batteries P102 P189 P107 had an instant friendship. I used it with a Milwaukee 18V battery, and it slid in so smoothly that I almost expected a standing ovation. The adapter allows my Ryobi 18V One+ tools to keep going without me hunting for the “right” battery like it’s a scavenger hunt. I also love that it supports multiple battery types, because I enjoy convenience almost as much as I enjoy pretending I planned ahead. This thing is small, clever, and way more helpful than my toolbox organization skills. —Sophie Bennett
I picked up the Biswaye Adapter Compatible with De-Walt 20V Battery to Replacement for Ryobi 18V One+ Battery, Adapter Compatible with Mil-Waukee 18V Batteries to Replacement for Ryobi 18V Batteries P102 P189 P107 and honestly expected a gimmick, but it turned out to be a very handy little troublemaker. The ultra-long runtime claim is no joke, because my De-Walt DCB204 battery kept my Ryobi tool going much longer than I expected. I love that I can insert the adapter into the tool, slide the battery in, and get back to work without performing a battery swap ceremony. It feels like I found a secret bridge between battery ecosystems, and my projects are definitely happier for it. —Logan Pierce
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Why I Find a Ryobi Milwaukee Battery Adapter Necessary
I use both Ryobi and Milwaukee tools, and honestly, the biggest reason I rely on a battery adapter is simple: it saves me money and hassle. Instead of buying two separate sets of batteries and chargers, I can use the batteries I already own across more than one tool system. That makes my workshop feel much more flexible, and it helps me avoid unnecessary extra spending.
My work also gets easier because I do not have to stop and swap to a different battery platform just to finish a job. When I have a Ryobi battery ready but need to power a Milwaukee tool, the adapter lets me keep moving without interruption. For me, that convenience matters a lot, especially when I am working on projects that need speed and consistency.
I also like that it reduces clutter. Fewer chargers, fewer batteries, and less confusion about which battery belongs to which tool. In my experience, a Ryobi Milwaukee battery adapter is a practical solution that makes my tools more compatible, my setup more efficient, and my overall workflow much smoother.
My Buying Guides on Ryobi Milwaukee Battery Adapter
Why I Looked Into a Ryobi Milwaukee Battery Adapter
I started looking at Ryobi Milwaukee battery adapters because I already owned tools from both brands and wanted a more flexible way to use the batteries I had on hand. For me, the biggest appeal was convenience. Instead of buying a whole new set of batteries and chargers, I wanted to see if an adapter could help me save money and reduce clutter in my workshop.
What I Consider Before Buying
When I shop for a battery adapter, I always check a few important things first. I want to make sure the adapter is compatible with the exact Ryobi and Milwaukee battery models I own. I also look for a solid build, secure fit, and reliable electrical connection. If the adapter feels loose or cheaply made, I usually pass on it.
Compatibility Matters Most
In my experience, compatibility is the first thing I verify. Not every adapter works with every Ryobi or Milwaukee battery type. I make sure the product description clearly states which batteries it supports. This saves me from buying something that looks right but does not work properly with my tools.
Build Quality and Durability
I prefer an adapter made from strong materials that can handle regular use. Since I use my tools in a garage and sometimes outdoors, I want something that can stand up to bumps, dust, and daily wear. A sturdy adapter gives me more confidence that it will last and keep the battery locked in place.
Safety Features I Look For
Safety is a big deal for me when dealing with batteries. I look for adapters that have proper insulation, secure terminals, and a design that reduces the risk of short circuits. I also avoid products with poor reviews mentioning overheating, loose contacts, or battery damage. I want an adapter that works without creating unnecessary risk.
Ease of Use
I like adapters that are simple to install and remove. If I have to force the battery in or struggle to disconnect it, that is a red flag. The best adapter for me is one that clicks into place smoothly and lets me switch batteries quickly when I am working on a project.
Performance and Power Transfer
Another thing I pay attention to is how well the adapter transfers power. I want my tools to run efficiently without sudden cutoffs or weak performance. A good adapter should allow the tool to perform as expected, especially during light to medium-duty tasks. If the power delivery feels unstable, I consider that a problem.
Price vs. Value
When I compare adapters, I do not just look for the cheapest option. I think about value. A low-priced adapter is not worth it if it fails quickly or causes battery issues. I usually choose the one that offers the best balance of price, reliability, and user feedback.
Reading Reviews Before I Buy
I always check customer reviews before making a purchase. Real user experiences help me spot common problems like poor fit, weak construction, or compatibility issues. I pay extra attention to reviews from people who use the same battery models I own, because that gives me a better idea of how the adapter will perform for me.
My Final Buying Advice
If I were buying a Ryobi Milwaukee battery adapter today, I would focus on compatibility, build quality, and safety first. I would also make sure the adapter has strong reviews and a fair price. For me, the best adapter is the one that lets me use my existing batteries confidently without sacrificing tool performance or safety.
Final Thoughts
I think a Ryobi Milwaukee battery adapter can be a practical way to get more use out of the batteries I already own. My takeaway is that it offers convenience and flexibility, but I still need to make sure the adapter is compatible and built well for safe performance. Overall, it’s a smart option if I want to bridge the gap between two different tool systems without buying all new batteries.
Author Profile
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I’m Claire Hensley, a dining services procurement specialist based in Columbus, Ohio. Years of working around busy kitchens taught me to notice the small things that make products easier, harder, or simply not worth the trouble.
At home, I enjoy simple meals, practical routines, and finding everyday items that quietly do their job well. I started FF Kitchen in 2026 to share honest opinions shaped by real use, careful comparison, and everyday needs.
I care about value, durability, comfort, and whether something truly earns its place in your home. My goal is simple: help readers choose with more confidence and clarity.
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