About this item [Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: ≥ 95%. Ideal for Craftsman 20V V20 battery users, facilitating the transformation of Dewalt 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. [Compatibility]: Perfectly Compatible with Craftsman V20 20V MAX batteries CMCB202 CMCB201 CMCB204 CMCB204-2 CMCB202-2 CMCB204-OPE CMCB209 etc. 18V to 12V step-down converter offers seamless compatibility and stable performance when powering diverse automotive devices. This versatile adapter allows efficient Craftsman 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. [ Materials, Durable, and Reliable]: Crafted from durable materials such as fireproof PCandABS and featuring 16 AWG wires and efficient cooling mechanisms, this 20V to 12V adapter for Dewalt 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.