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 shownMaterial: PlasticPackage Contents:1*18V to 12V Step Down Power Converter