The Dutack 4490004 battery adapter type D allows the use of 18-volt Dewalt batteries in Dutack electric staplers. This adapter is a practical solution for users who want to efficiently utilize their existing Dewalt batteries in other devices. The operation is straightforward: the adapter is simply plugged in, and the appropriate battery is connected, allowing work to begin immediately. The battery adapter is specifically designed for the demands of power tools and provides a reliable connection that ensures optimal performance. With this product, users can enhance the versatility of their tools and reduce the need to purchase additional batteries. The compact dimensions of the adapter contribute to user-friendliness and enable easy storage. Therefore, the Dutack 4490004 battery adapter is a valuable addition to any tool kit that relies on Dewalt batteries.