Desciption For 4510080 Member of the Power X-Change family, 1x 18V battery required Brushless motor - more power and longer running time PurePOWER Brushless - 10 years motor warranty after registration Impact wrench for easily screwing in large/long screws Special impact mechanism protects your wrist from torsional forces Finely adjustable speed electronics for sensitive work Incl. LED light to illuminate the working area Quick stop function for quick tool change Rotate clockwise & anti-clockwise to tighten and loosen screws Belt clip for safe intermediate storage Ergonomic design and softgrip surfaces for secure grip Incl. bit adapter for use with screw bits Desciption For 4511396 Einhell Power X Change 18v Lithium Ion 4.0ah Battery Power X-Change is the rechargeable battery system from Einhell. It is designed for multi functionality. With this advanced technology, you can use 18V rechargeable batteries with different capacity ratings to power any of the Einhell Power X Change range.