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Use Ryobi 18V ONE+ Battery on Flex Drill

Ryobi → Flex
Industrial guide for Ryobi power compatibility.
Technical Specifications
ConversionRyobi 18V ONE+ → Flex Drill
Voltage18V 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
Flex 24v To Ryobi Blower 13 Adapter
Related Adapters
Ryobi 18V One+ To Black+Decker Blower 138 Adapter Ryobi 18V One+ To Black+Decker Blower 152 Adapter Ryobi 18V One+ To Black+Decker Blower 253 Adapter
Frequently Asked Questions
Can I use Ryobi 18V batteries on Flex tools with this adapter?
Yes. This adapter enables Ryobi 18V ONE+ batteries to power Flex Drill 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 18V, 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 Flex 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.