The battery adapter comes with wire terminals, 30A fuse, screws, and other accessories. Complete kit makes your DIY projects easier and is suitable for both indoor and outdoor use. (Note: Batteries are not included.) Safely upgrade electric ride-on toy cars, remote control trucks, robots, work lights, and more. Wide voltage input: 17V-65V Output voltage: 12V Output current: 10A Power: 120W 1. Wiring method Input end: Red wire – Connect to the positive pole of the power source (red wire) Black wire – Connect to the negative pole of the power source (black wire) Output end: Yellow wire – Connect to the positive pole of the load Black wire – Connect to the negative pole of the load 2. Precautions a. This device does not have reverse polarity protection. Always verify correct polarity before wiring to prevent damage from reverse connection. b. Ensure the input power source provides sufficient voltage and power to operate the connected device. c. The output voltage must match the load device requirements, and the load power must not exceed the converter’s maximum capacity. Accessories may vary in style or color by batch, but functionality remains unchanged. Color: Yellow & Silver Material: ABS Package Contents: 1 set x Lithium battery adapter step-down module Light reflections and display settings may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3 cm.