Features: 1Scope of Application: The battery adapter is compatible with most styles of 18V to 20V battery models suitable for woodworking and power tool adapters. 2Premium Material: This battery adapter is made of premium ABS material which is sturdy has stable performance and long service life. 3Multiple Protection Functions: It has short circuit protection over current protection under voltage protection low power consumption multiple protection functions and is safe to use. 4Perfect Fit: It fits the hole of the original machine the shape and size are precisely designed and the hand feel is still comfortable so you can use it with confidence. 5Easy to Use: The battery converter is portable and convenient to carry and easy to use it is a perfect battery conversion device. Specification: Item Type: Battery AdapterMaterial: ABSGross Weight: 115g / 4.1ozProduct Size: Approx.11 x 7 x 4.5cm / 4.3 x 2.8 x 1.8inSuitable: Compatible with most styles of 18V to 20V battery models suitable for woodworking and power tool adapters Package List: 1 xBattery Adapter