Home / Milwaukee / Ryobi

How to use Milwaukee M18 Batteries on Ryobi 18V ONE+ Tools

Milwaukee → Ryobi
Unlock the power of your Milwaukee batteries. This adapter allows you to run Ryobi 18V ONE+ tools using your existing M18 packs.
Technical Specifications
ConversionMilwaukee M18 → Ryobi 18V ONE+
Voltage18V DC
Amp Limit18A Continuous
ProtectionOvercurrent, Thermal Fuse (>80°C)
PERFORMANCE LAB
BATTERY CAPACITY
TOOL LOAD350W
50W600W1200W
ESTIMATED RUNTIME
--
-- Wh Usable
Check Price on Amazon
Reverse Adapter
Ryobi 18V One+ To Milwaukee Blower 465 Adapter
Related Adapters
Milwaukee M18 To Black+Decker Blower 140 Adapter Milwaukee M18 To Black+Decker Blower 189 Adapter Milwaukee M18 To Black+Decker Blower 201 Adapter
Frequently Asked Questions
Can I use Milwaukee 18V batteries on Ryobi tools with this adapter?
Yes. This adapter enables Milwaukee M18 batteries to power Ryobi 18V ONE+ tools. It supports up to 18A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 18A continuous at 18V, which equals approximately 324W. It includes overcurrent protection and a thermal fuse that triggers above 80°C.
Is this adapter safe for high-drain tools like circular saws or grinders?
It depends on the tool's amp draw. Most Ryobi circular saws draw 6-10A. This adapter supports 18A continuous, so verify your tool's specifications before use.
Safety Disclaimer Verify voltage matching before use. Never use a high-voltage battery on a low-voltage tool (e.g. 20V battery on 12V tool) even if it physically fits. Disconnect adapter immediately if tool overheats. Not responsible for misuse.