The battery adapter comes with wire terminals, a 30A fuse, screws, and other accessories. These included components make DIY installations easier and support both indoor and outdoor use. (Note: Batteries are not included.) You can safely upgrade electric wheel toy cars, remote control trucks, robots, work lights, and similar devices. Wide input voltage range: 17V–65V Output voltage: 12V Output current: 10A Power rating: 120W 1. Wiring instructions Input side: – Red wire connects to the positive terminal of the power source. – Black wire connects to the negative terminal of the power source. Output side: – Yellow wire connects to the positive terminal of the load. – Black wire connects to the negative terminal of the load. 2. Important precautions a. This step-down converter does not include reverse polarity protection. Always verify correct polarity of both input power source and load before connecting to prevent damage. b. Ensure the input power source provides sufficient voltage and current to support the connected load. c. The load device must be rated for 12V operation, and its power requirement must not exceed the converter’s maximum output rating of 120W. Accessory styles and colors may vary slightly between batches, but functionality remains unaffected. Color: Yellow & Silver Material: ABS Package includes: 1 x Lithium battery step-down adapter Note: Color representation may vary slightly due to lighting conditions and screen settings. Dimensions are subject to a tolerance of ±1–3 cm.