[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: greater than equal 95%. Ideal for Craftsman 20V V20 battery users, 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 for 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 for 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. [High-Quality Materials, Durable, and Reliable]: Crafted from durable materials such as fireproof PC+ABS 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: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color:Black Material:plastic Package Contents: