About this item Perfect Compatibility: The DC power wheel adapter is compatible with Ryobi 18V P102 P103 P104 P105 P107 P108 P109 PBP002 PBP003 PBP004 PBP005 PBP006 P189 P190 P191 P192 P193 P194 P195 P197 Step-down Converter: Input voltage: DC 18V-20V; Output: DC 12V/10A Max; Efficiency: ≥ 95%. Ideal for a variety of car appliances Designed with a convenient cigarette 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 worry-free user experience High Quality Material & Safe to Use: The automatic buck converter is made of high quality chip and high quality plastic, stable and safe. Designed with an excellent power transformer, can let you enjoy the fun of DIY Real-time Protection: The voltage reducer transformer shuts off automatically if there’s overvoltage, overload, under-voltage, overcurrent, overheating or short circuit. Stop excessive transient current timely to avoid damage to the battery and the equipment