Convert Ridgid 18V lithium-ion batteries to work with the Black+Decker 20V MAX system. Save money by not buying new Black+Decker batteries.
Technical Specifications
| Conversion | Ridgid 18V → Black+Decker 20V MAX |
| Voltage | 18V DC |
| Amp Limit | 15A Continuous |
| Protection | Overcurrent, Thermal Fuse (>80°C) |
PERFORMANCE LAB
Reverse Adapter
Black+Decker 20V Max To Ridgid Blower 211 AdapterFrequently Asked Questions
Can I use Ridgid 18V batteries on Black+Decker tools with this adapter?
Yes. This adapter enables Ridgid 18V batteries to power Black+Decker 20V MAX 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 Black+Decker 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.