The possibilities are nearly endless with this adapter!

For Dewalt 20V? Yes!

For Harbor Freight 20V Bauer? Yes!

For Harbor Freight 20V Hercules? Yes!

Not brand loyal and have all three? Yes!

I'm sure the question will get asked: Does this mean I can put my for Dewalt batteries in my Harbor Freight tools? (or some other combination of that..) No! This adapter has been specially constructed to be compatible with all three, but it stops there. The tools and batteries themselves are not interchangeable. 

Features: 
1. Use your for Dewalt/Bauer/Hercules cordless tool battery for your Electronic Projects.

 
2. All Soldered Connections using high temp Silicon 14 AWG wire. 

3. Use with Skateboards LED Lights Emergency Boat lights Parade Sign LEDs Run Car LED lights when parked 

4. Power your Scooter or lawn mower kids ride toy; Convert that power wheels, Build a robot, power your arduino...

5.strong plastic 3D-printed 
 
Specifications: 

1.   Work with Dewalt 18V/20V Li-ion Battery. 
Compatible with Dewalt 20V Battery Lithium XRP DCB204 DCB205 DCB206 DCB205-2 DCB200 DCB203 DCB180 Battery

Work with BAUER 20V Lithium-Ion Battery 1701C-B 1702C-B 1907C-B 

Work with HERCULES  20V Lithium-Ion Battery HC01 HC02,not fits HERCULES 12V Battery.

2.   The red wire is connected to the positive battery terminal, and the black wire is connected to the negative battery terminal. 

3.   Item weight: 70g. 

Package Included: 
1 x 18V/20V Battery Connector

Please note, Lithium batteries are notoriously un-forgiving. Please follow all recommended practices when charging, discharging, storing, etc. In particular be certain to not over-discharge your batteries. These particular brands of batteries do not have a low voltage cut-off. Included 15 amp fuse is chosen as conservative protection for the included 14 AWG wire. End user is responsible to confirm this is appropriate for your particular use case - if not please replace fuse with one that is appropriate. Purchase of this item indicates you understand appropriate use of this item and hold the seller in no way responsible for any injury or damage from your use of this item. If not sure, ask someone who is!