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 18V battery types. The battery adapter connector features a secure fit, ensuring reliable connection and easy installation and removal. Enhanced Safety: Built-in voltage regulator with smart chip protection includes over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-heat protection to safeguard connected devices. Includes a fuse holder with a 30A fuse for added safety during operation. All-in-one design combines the battery adapter and step-down converter with two heat-resistant wires and integrated fuse holder for simple setup. Just connect the battery to the adapter and 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, cars, trucks, speakers, surveillance 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