Bosch BAT 18V to Stanley 18V & Craftsman V20 20V Battery Adapter - Powuse
Amazon.com: X-Adapter for DeWalt 20v MAX Cordless Tools Only Fits Craftsman V20 (NOT Old 20v) Lithium Batteries- Adapter Only Black : Tools & Home Improvement
Adapter (adapter) for the battery Stanley V20 (he is the same craftsman V20) -to the Makita LXT 18V tool - AliExpress
1x Adapter For Dewalt 18V/20v XR Li-Ion Battery For Stanley NEW FATMAX V20 Tools | eBay