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 is lower than 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, 48-11-1840. Battery adapter connector is designed for a secure fit and easy installation and removal. Better Safety: Voltage regulator with built-in smart chip provides over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-heat protection to safeguard connected devices. Includes fuse holder and 30A fuse for added safety. Easy to Use: Combines battery adapter and voltage converter with 2 heat-resistant wires and 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, 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 package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variation between the item and the image. Measurement may vary by +/- 1-3cm.