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Using DeWalt Batteries in Ryobi Vacuums and Tools

DeWalt → Ryobi
Breathe new life into your Ryobi lineup. This heavy-duty adapter lets you click in a DeWalt 20V MAX battery for extended runtime.
Technical Specifications
ConversionDeWalt 20V MAX → Ryobi 18V ONE+
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
Ryobi 18V One+ To Dewalt Blower 266 Adapter
Related Adapters
Dewalt 20V Max To Black+Decker Blower 246 Adapter Dewalt 20V Max To Black+Decker Blower 270 Adapter Dewalt 20V Max To Black+Decker Blower 487 Adapter
Frequently Asked Questions
Can I use DeWalt 20V batteries on Ryobi tools with this adapter?
Yes. This adapter enables DeWalt 20V MAX 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 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 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.