Step-down Converter: Input Voltage: DC 18V–20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power: 240W Max. Built-in low-voltage protection; auto shut-off if input voltage drops below 14.4V to protect the battery and connected 12V devices. Compatibility: Designed for Milwaukee M18 18V lithium-ion batteries, including models 48-11-1815, 48-11-1850, 48-11-1820, and 48-11-1840. Battery adapter connector ensures secure fit and easy installation. Safety Features: Voltage regulator with integrated smart chip provides over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-temperature protection. Includes fuse holder with 30A fuse for added safety. Ease of Use: Combines battery adapter and voltage converter with two heat-resistant wires and fuse holder for simple setup. Install the battery into the adapter and connect the converter to your device. (Battery NOT Included) Applications: Suitable for various 12V devices such as power tools, ride-on toys, golf carts, vehicles, speakers, monitoring equipment, LED strip lights, work lights, and robotics DIY projects. Color: Red. Material: Plastic. Package Contents: 1 x Step-down Converter, 1 x Power Wheels Battery Adapter, 1 x Terminal, 3 x 30A Fuse. Only the above items are included. Note: Lighting and display differences may cause slight color variations. Measurement tolerance: ±1–3 cm.