[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V,DC 5V-13V; Output Current: 10A Max; Efficiency: equal 95%. Ideal for 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 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 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