Dewalt battery adapter

This 20V to 12V “step-down buck converter” with battery bay and DC plug lets you use your Dewalt tool battery as a power supply for your electric fence. Add a coaxial extension cable and you could power your Bear Sentry from inside your tent or camper where battery capacity may be less affected by cold weather. You could charge a device at the same time with a splitter cable and 12V-5V voltage converter. Compatible with 18V and 20V Dewalt Lithium Ion DCB batteries. Input Voltage 14.4V ~ 21V, Output Voltage DC 12V, Output Current 3A, Output Power 36W 179g / 0.4lb