The W175 is the most powerful and durable cordless impact in its class. Patent-pending IQV technology provides maximum performance, durability, and battery life. Compatible with both Lithium-Ion and Nickel Cadmium 14.4V IQV batteries. The W175 is ideal for general automotive and service work such as suspensions, front-ends, brakes, engines, and body work, as well as many manufacturing and maintenance applications.