[ Compatible for Hikoki / for Hitachi 18V Battery ]: Perfectly compatible for Hikoki / for Hitachi 18V lithium-ion batteries. Our battery adapter connector is exquisitely designed to tightly fit your battery, making it easy to install and remove. The battery adapter has overload, no-load power-off, overcurrent, and low voltage protection. [Convenient cigarette lighter interface and innovative design]: Designed with a convenient cigarette lighter interface, it is easy to connect and power automotive appliances. Its simple and convenient design eliminates additional installation steps or complex wiring, ensuring a worry free user experience. [Widely applicable]: This adapter can be used as a portable charger or 12V regulator, suitable for various 12V devices. Perfect for upgrading power tools and enjoying DIY: Power adapters are widely used in electric wheels, motors, cars, trucks, robots, toys, golf carts, LED light strips, fans, screens, DIY toys, LED lights, monitoring systems, solar panels, and other DIY applications. NOTE: This product does not come with a battery. Please carefully confirm if you have the same battery as described below, otherwise do not place an order! If the product cannot function properly due to battery mismatch after placing the order, the buyer is responsible for it themselves! [ Buck converter ]: Input Voltage: DC 18V-20V Output Voltage: DC 12V, DC 5V-13V Output Current: maximum 10A Efficiency: ≥ 95%. Very suitable for golf carts, electric wheels, DIY toys, remote-controlled cars/trucks, LED lights, cameras, etc. Built in low voltage protection, if the battery voltage is below 14.4V, it will automatically shut down to protect the battery and 12V devices It's DIY kits, needs to finish by yourself. Color: Black Material: plastic Package Contents: 1 * DIY Adapter