[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: ≥ 95%. Ideal for EINHELL 18V battery users, facilitating the transformation For EINHELL batteries into a reliable 12V power source for vehicles. Featuring robust over-current and short-circuit protection, it ensures safe and uninterrupted power supply to a variety of all car appliances. [For EINHELL 18V Batteries]: The DC power wheel adapter is perfectly compatible for EINHELL 18V Power X-Change series batteries, such as 4511396,4511437neu,45114370VP,PXBP-300,PXBP-600,PX-BAT52 and more. 18V to 12V step-down converter offers seamless compatibility and stable performance when powering diverse automotive devices. For EINHELL battery use across applications, enhancing convenience for outdoor activities and car applications. [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. [High-Quality Materials, Durable, and Reliable]: Crafted from durable materials such as fireproof plastic and featuring 16 AWG wires and efficient cooling mechanisms, this 20V to 12V adapter for EINHELL batteries guarantees long-lasting durability and consistent performance. Engineered to withstand regular use and harsh conditions, it delivers reliable power conversion in various environments, ensuring exceptional reliability over time. Color: Black Material: plastic Package Contents: 1 x Step Down Converter(Not include Battery)