Widely Applicable: This step-down converter is suitable for various 12V devices, ideal for power tools, ride-on toys, golf carts, car trucks, speakers, monitoring equipment, LED strip lights, work lights, and robotics DIY projects. Step-down Converter: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power: 240W Max. Better Safety: The voltage regulator features a built-in smart chip with over-current, over-voltage, over-load, and short-circuit protection to help safeguard connected devices. The battery adapter includes a fuse holder with a 30A fuse for added safety. Easy to Use: The design integrates a battery adapter and voltage converter with two heat-resistant wires and a fuse holder for simplified installation. Connect the battery to the adapter and link the converter to your device. (Note: Battery NOT Included) Compatibility: Compatible with DeWalt 18V/20V lithium batteries, including models DCB205, DCB206, DCB204, DCB203, DCB200, DCB201, and others. The adapter connector is well-designed for a secure fit, allowing easy installation and removal.