Stanley V20 to Hercules 20V Battery Adapter m18 It works in one direction

It works in one direction only: DeWalt batteries powering Ryobi tools

Runs these tools Black and Decker 18V Ni-Cd (Nickel-Cadmium)

It cannot charge Makita or Metabo CAS batteries and must never be connected to a charger of any kind

Both run at 18V

Stanley V20 to Hercules 20V Battery Adapter m18 It works in one directionUse your Stanley V20 batteries on Hercules 20V cordless tools, without buying into a second battery platform. Power passes straight through: Stanley V20 and Hercules 20V share the same 20V rating. The molded ABS housing keeps it light and hard wearing, and pure copper contacts keep current delivery steady. Fewer battery systems in the workshop, on the bench or in the van, and no extra chargers to find room for. It also carries battery protection