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 automatically shuts off when battery voltage drops 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 protection against over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-heat conditions. Includes fuse holder and 30A fuse for added safety. Easy Setup: Combines battery adapter and voltage converter with two heat-resistant wires and fuse holder. Simply connect the battery to the adapter and the converter to your device. Note: Battery not included. Wide Application: 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 Converter, 1 x Battery Adapter, 1 x Terminal, 3 x 30A Fuse.