[Step-down Converter]: Input Voltage: DC 18V-20V; Output Voltage: DC 12V, DC 5V-13V; Output Current: 10A Max; Efficiency: greater than or equal to 95%. Ideal for Makita 18V battery users, enabling the use of Makita batteries as a reliable 12V power source for vehicles. Features robust over-current and short-circuit protection to ensure safe and stable power supply to various car appliances. [Compatible with Makita 18V Battery]: Fully compatible with Makita 18V Lithium-ion Batteries, including BL1820, BL1840B, BL1820B, BL1815B, BL1835, LXT-400, BL1845B, BL1845, 194205-3, 194204-5, BL1830B, BL1850B, BL1860, and more. The battery adapter connector is well-designed to snugly fit the battery, allowing for easy installation and removal. Includes over-load, no-load power-off, over-current, and low-voltage protection. [Convenient Cigarette Lighter Interface and Innovative Design]: Equipped with a standard cigarette lighter outlet for easy connection to car appliances. Simple and user-friendly design eliminates the need for complex wiring or additional installation, providing a hassle-free experience. [Compact, Portable, and Convenient Adapter]: Lightweight and portable design makes it easy to carry. Suitable for road trips, camping, and outdoor use. Powers car gadgets and charges electronic devices, ideal for travelers and outdoor enthusiasts. [Includes Switch and Wiring Beam]: Comes with a switch and wiring beam connection, compatible with 12V riding toys such as PEG-Perego models, allowing for quick and secure connections. Device labels may vary due to manufacturing batches, but this does not affect functionality. Color: Random (colors are assigned randomly; specific color requests cannot be accommodated).