General description This adapter allows for 20V lithium batteries to be used with 22.2V DC31, DC34 (Type B) tools, providing the benefits of extended operating time on existing tools. It is compatible with various models including DC31, DC34, DC35, DC44, DC45, DC56, DC57, and battery models such as DCB180, DCD985B, and DCD771C2. Technical specifications Material: ABS plastic Color: Dark gray Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 x Adapter (No battery, no tool) Features Safety Circuit Protection and a built-in smart control system for safe and convenient use. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.