Cordless Impact Wrench Pound for pound, the W360P is the most powerful cordless Impactool™ in the world. Patent-pending IQv technology provides maximum performance, durability, and battery life. Compatible with both Lithium-Ion and Nickel Cadmium 19.2v IQv batteries. The IQv Series is ideal for mobile service, automotive, tire lane, off-highway, industrial facilities maintenance, and production.