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Porter-Cable 20V MAX Battery Adapter for Milwaukee M18 Cordless Tools

Porter-Cable → Milwaukee
A comprehensive guide to the Porter-Cable to Milwaukee cross-brand adapter. Compatible with most 20V MAX high-capacity packs.
Technical Specifications
ConversionPorter-Cable 20V MAX → Milwaukee M18
Voltage20V DC
Amp Limit18A 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
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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 18A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 18A continuous at 20V, which equals approximately 360W. 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 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.