Feature:1. Scope of Application: The battery adapter is suitable for 20V convert to 18V, suitable for woodworking and power tool adapters.2. Multiple Protection Functions: Short circuit protection, over current protection, under voltage protection, and low power consumption.3. Perfect Fitting: Fits the hole of the original machine, the shape and size are precisely designed, and the hand feel is still comfortable.4. ABS Material: Made of ABS material, fine workmanship makes the adapter durable, not easy to damage, and greatly extend the service life.5. Good Workmanship: Exquisite workmanship, beautiful appearance, stable and reliable performance, providing you great using experience.Specification:Item Type: 18V to 20V Battery ConverterMaterial: ABSColor: As Pictures ShownWeight: Approx. 115g / 4.1ozProduct Size: Approx. 11x7x4.5cm / 4.3x2.8x1.8inApplication: Suitable for 20V Convert to 18V, Suitable for Woodworking Power Tool Adapter.Package List:1 x Battery Adapter