GETUHAND Electric Impact Wrench 1/2 Inch & 12 Volt 400N.M 300ft-lbs Max Torque with 1/2" Strong Square Drive, Portable Car Impact Wrench Kit with Sockets and Carry Case - Amazon.com
Wagan 12 Volt Roadside Impact Wrench
Wagan 12 Volt Roadside Impact Wrench
Xpert Emergency 12 Volt Impact Wrench 2 1/2" Dr Roadside Kit w/ Jumper Cables! | eBay
Amazon.com: Wagan EL2257 12V DC Mighty Impact Wrench, 1/2 inch 12 Volt Electric Impact Wrench Kit, 271 ft-lbs, Tire Repair Tools with Sockets and Carry Case : Everything Else
12v Amazon impact wrench makes insane power before catching fire - YouTube