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Porter-Cable to Milwaukee Battery Converter Guide

Porter-Cable → Milwaukee
Convert Porter-Cable 20V MAX lithium-ion batteries to work with the Milwaukee M18 system. Save money by not buying new Milwaukee batteries.
Technical Specifications
ConversionPorter-Cable 20V MAX → Milwaukee M18
Voltage20V DC
Amp Limit20A Continuous
ProtectionOvercurrent, Thermal Fuse (>80°C)
PERFORMANCE LAB
BATTERY CAPACITY
TOOL LOAD350W
50W600W1200W
ESTIMATED RUNTIME
--
-- Wh Usable
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Reverse Adapter
Milwaukee M18 To Porter Cable 20V Max Adapter
Related Adapters
Porter Cable 20V Max To Black+Decker Blower 25 Adapter Porter Cable 20V Max To Black+Decker Blower 260 Adapter Porter Cable 20V Max To Black+Decker Blower 274 Adapter
Frequently Asked Questions
Can I use Porter-Cable 20V batteries on Milwaukee tools with this adapter?
Yes. This adapter enables Porter-Cable 20V MAX batteries to power Milwaukee M18 tools. It supports up to 20A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 20A continuous at 20V, which equals approximately 400W. 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 20A 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.