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 battery voltage drops below 14.4V to protect your battery and 12V devices. Compatibility: Compatible with Milwaukee M18 18V lithium batteries, including models 48-11-1815, 48-11-1850, 48-11-1820, and 48-11-1840. The battery adapter connector is designed for a secure fit, making it easy to install and remove. Better Safety: Voltage regulator with built-in smart chip provides protection against over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-heat conditions. Includes a fuse holder and 30A fuse for added safety. Easy to Use: The battery adapter and voltage converter are integrated with two heat-resistant wires and a fuse holder for simple setup. Install the battery into the adapter, then connect the converter to your device. (Note: Battery NOT Included) Widely Applicable: Suitable for various 12V devices such as power tools, ride-on toys, golf carts, car trucks, speakers, monitoring equipment, LED strip lights, work lights, robotics, and 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 items listed are included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.