Convert Ridgid 18V lithium-ion batteries to work with the Milwaukee M18 system. Save money by not buying new Milwaukee batteries.
Technical Specifications
| Conversion | Ridgid 18V → Milwaukee M18 |
| Voltage | 18V DC |
| Amp Limit | 15A Continuous |
| Protection | Overcurrent, Thermal Fuse (>80°C) |
PERFORMANCE LAB
Reverse Adapter
Milwaukee M18 To Ridgid 18V AdapterFrequently Asked Questions
Can I use Ridgid 18V batteries on Milwaukee tools with this adapter?
Yes. This adapter enables Ridgid 18V batteries to power Milwaukee M18 tools. It supports up to 15A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 15A continuous at 18V, which equals approximately 270W. 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 Milwaukee circular saws draw 6-10A. This adapter supports 15A 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.