Description This 18V to 12V step-down converter offers seamless compatibility and stable performance when powering various automotive devices, enhancing the convenience of outdoor activities and automotive applications. Compatibility Applicable to Dehua's largest 18V/20V and 60V lithium batteries: D.CB205, D.CB206, D.CB204, D.CB203, D.CB200, D.CB201, etc. 18V batteries: 4811-1850,4811-1852,4811-1860,4811-1862,4811-1865,4811-1880, etc. For Makita 18v B series lithium batteries, such as BL1850B (197285-8), BL1840B (197270-1), BL1830B (197602-2), BL1430B (197618-7), BL1820B(197487-6); New type of high-power step-down converter Input voltage: D.C 18V-21V; Output current: Maximum 20A; Output power: Maximum 240W; Output voltage: D.C 12V, D.C 5V-13V; [Cigarette , USB A, Type-C interface] : Easily connect and power the vehicle's electrical system through the convenient cigarette port. This streamlined design eliminates the need for additional installation steps or complex wiring, ensuring a worry-free user experience. It is equipped with two interfaces: one USB interface and one Type-C charging interface. Charge your mobile phone, laptop, game console, MP3/MP4 player, camera, e-reader and other low-power mobile electronic products. [Safety] The voltage stabilizer is equipped with an intelligent chip, which can provide intelligent protection such as overcurrent, overload, underload, overvoltage, under-voltage, overheating and short circuit. This voltage converter also has built-in under-voltage protection. If the battery voltage drops below 14.4V, it will automatically shut down to protect your device from overvoltage damage. Wide Application : This step-down converter is suitable for a variety of 12V devices and is an ideal choice for upgrading motors, riding toys, carts, cars and trucks, speakers, monitoring equipment, power tools, LED light strips, work lights or DIY robots. Warning: This product is not a charger. It only outputs battery voltage and power directly from your battery. It is best to remove the battery after use.