Compatible with Ryobi 18V batteries, including models P102, P103, P104, P105, P107, P108, P109, PBP002, PBP003, PBP004, PBP005, PBP006, P189, P190, P191, P192, P193, P194, P195, P197, BPL-1820G, BPL-1815, BPL-18152, and others. Input Voltage: 18V nominal (accepts 18V–36V range); Output Voltage: DC 12V; Output Current: 20A; Output Power: 240W. Features synchronous rectification technology for high conversion efficiency and stable performance. Durable design: 18V to 12V step-down converter with over-current, over-load, low-load, short-circuit, and over-heat protection. Compact aluminum housing with epoxy potting for waterproof, dustproof, shock-resistant performance and improved heat dissipation. Widely used in Power Wheels, motors, trucks, robotics, toys, golf carts, LED strip lights, electric fans, displays, monitoring systems, solar applications, and DIY projects. Note: This device is not a battery charger. It directly converts voltage and power from the connected battery. Ensure correct polarity alignment between the device and converter terminals. For optimal battery life, disconnect the battery when not in use. Slight color variations may occur due to lighting conditions or screen settings. These differences do not affect functionality. Color: As shown in image Material: Plastic Package Includes: 1 x Battery Adapter 1 x Buck Converter 3 x Fuses 1 x Terminal Note: Other items pictured are not included. Measurement tolerance: ±1–3 cm.