ABJA For DeWalt DCB Series 18V/20V Lithium Battery Adapter + DC-DC Step-Down Device(12v 10A 120W)with Fuse The battery adapter comes with wire terminals, 30A fuse, screws, etc. Rich accessories make your DIY work easier, very suitable for indoor and outdoor use! (Note: Batteries are not included in the scope of supply)_x000D_ You can safely upgrade your electric wheel toy cars, remote control trucks, robots, work lights, etc._x000D_ _x000D_ Wide voltage input:17V-65V_x000D_ Output voltage:12V_x000D_ Output current:10A_x000D_ Power:120W_x000D_ 1. Wiring method_x000D_ Input end:_x000D_ Red wire (+): Connect to the positive pole of the adapter (red wire);_x000D_ Black wire (-): Connect to the negative pole of the adapter (black wire);_x000D_ Output end_x000D_ Yellow wire (+): Connect to the positive pole of the load (+);_x000D_ Black wire (-): Connect to the negative pole of the load (-);_x000D_ 2. Precautions_x000D_ a. The buck does not have a reverse connection protection function. Please be sure to confirm the positive and negative poles of the adapter and the load before wiring to avoid reverse connection and burning the buck and load;_x000D_ b. The input end must ensure sufficient voltage and power to drive the output device;_x000D_ c. The voltage of the device driven by the output end must be the same as the voltage output by the buck, and the power required by the load device cannot be greater than the maximum load power of the converter._x000D_ The styles and colors of accessories may vary from batch to batch, but it does not affect the use._x000D_ Colour:Yellow & Silver_x000D_ Material:ABS_x000D_ _x000D_ Package Contents:_x000D_ 1 set * Lithium battery adapter step-down_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_