Usage Tips:[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: ≥ 95%. Ideal for Dewalt 18V battery users, facilitating the transformation of batteries into a reliable 12V power source for vehicles. Featuring robust over-current and short-circuit protection. [Compatibile for Battery] For DeWalt 18V/20V lithium batteries, works with DCB205 DCB206 DCB204 DCB203 DCB200 DCB201 etc. (Batteries not included) [Convenient Cigarette Lighter Interface and Innovative Design]: Designed with a convenient cigarette lighter interface, making it effortless to connect and power car appliances. Its simple and convenient design eliminates the need for extra installation steps or complicated wiring, ensuring a worry-free user experience. [Compact, Portable, and Convenient Adapter]: This product is easy to carry. Whether on a road trip or camping adventure, its lightweight design ensures you can take it with you. It's a practical and flexible device that powers car appliances. The adapter powers car gadgets and charges electronics, including automotive supplies and chargers, making it essential for travelers and outdoor enthusiasts alike. Color: As shown Material: Plastic Package Contents: 1*18V to 12V Step Down Power Converter