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 below 14.4V, protecting your battery and 12V devices. Compatibility: Designed for 18V lithium batteries; compatible with models 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, and similar. The battery adapter connector is well-designed for a secure fit, allowing easy installation and removal. Enhanced 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 additional safety. Integrated design combines battery adapter and voltage converter with two heat-resistant wires and fuse holder for simplified setupjust attach the battery to the adapter and connect the converter to your device. (Note: Battery NOT Included). Widely applicable for various 12V devices; ideal for 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 Converter, 1 x Battery Adapter, 1 x Terminal, 3 x 30A Fuse.