Portable electric winches for automobiles have 12V and 24V power sources. Electric winches are a common type of winch that can use the vehicle's own power to rotate and drive equipment. When the vehicle is stuck in a mud pit and cannot move, an electric winch can be used to pull the car out of its current predicament. It is compact, easy to install, and easy to carry, making it a good helper for solving the problem of car traction.