A comprehensive guide to the Craftsman to Black+Decker cross-brand adapter. Compatible with most V20 high-capacity packs.
Technical Specifications
| Conversion | Craftsman V20 → Black+Decker 20V MAX |
| Voltage | 20V DC |
| Amp Limit | 18A Continuous |
| Protection | Overcurrent, Thermal Fuse (>80°C) |
PERFORMANCE LAB
Reverse Adapter
Black+Decker 20V Max To Craftsman Blower 157 AdapterFrequently Asked Questions
Can I use Craftsman 20V batteries on Black+Decker tools with this adapter?
Yes. This adapter enables Craftsman V20 batteries to power Black+Decker 20V MAX 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 Black+Decker 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.