[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: ≥ 95%. Ideal for 18V battery users, facilitating the transformation For 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 18V Batteries]: The DC power wheel adapter is perfectly compatible for 18V -Change series batteries, such as 4511396,4511437neu,45114370VP,PXBP-300,PXBP-600,-BAT52 and more. 18V to 12V step-down converter offers seamless compatibility and stable performance when powering diverse automotive devices. For battery use across applications, enhancing convenience for outdoor activities and car applications. [Convenient Lighter Interface and Innovative Design]: Designed with a convenient 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, , and Reliable]: Crafted from materials such as fireproof plastic and featuring 16 AWG wires and efficient cooling mechanisms, this 20V to 12V adapter for batteries guarantees long-lasting durability and consistent performance. Engineered to withstand regular use and harsh conditions, it delivers reliable power conversion in environments, ensuring exceptional reliability over time. Color: Black Material: plastic Package Contents: 1 x Converter(Not include Battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.