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The Sealey CP400LIHV is a cordless 1/2-inch square drive impact wrench running on an 18V 3Ah lithium-ion battery. It produces up to 550Nm (406lb.ft) of torque through an all-metal gear train and cast aluminium gearbox, with a variable speed trigger, electronic brake, thermal overload protection and an LED worklight. It suits mechanics and DIY users who want strong loosening power for lug nuts and suspension bolts without a cord. Against premium pro-grade wrenches it trades refinement and battery ecosystem breadth for rugged metal internals, and its single 3Ah battery and 80-minute charger mean slower turnaround than kits with fast chargers or spare packs.
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This is an 18V cordless impact wrench with a 1/2" square drive. It produces torque of up to 550Nm (406lb.ft). A variable speed trigger gives control over the tool's speed, and an electronic brake is fitted.
The gearbox is cast aluminum with a rubber gearhead cover, and the gears are all metal. The double injection body has rubber grips for comfort, and thermal overload protection is built in. An LED worklight lights the work area when the trigger is pressed.
It comes in a storage case with a 3Ah lithium-ion battery and an 80-minute mains charger. The battery is interchangeable with the Sealey CP401LI and CP401LIHV angle grinders.
