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, helping protect your battery and 12V devices. Compatibility: Designed for use with 18V lithium batteries, compatible with models 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, and similar. The battery adapter connector features a secure fit, allowing for easy installation and removal. Enhanced Safety: Integrated voltage regulator with 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 to Use: Combines battery adapter and voltage converter with two heat-resistant wires and fuse holder. Simply attach the battery to the adapter and connect the converter to your device. (Note: Battery NOT Included) Wide Application: Suitable for various 12V devices, ideal for power tools, ride-on toys, golf carts, cars, trucks, speakers, monitoring equipment, LED strip lights, work lights, robotics, and DIY projects. Color: Red Material: Plastic Package Contents: 1 x Converter, 1 x Wheels Battery Adapter, 1 x Terminal, 3 x 30A Fuse