Electric control module built-in extension bar applied to electric tool and lopper saw thereof

The utility model relates to the technical field of lopper saws, in particular to an electric control module built-in extension bar applied to an electric tool and a lopper saw thereof, which are used for lengthening the electric tool and controllably providing corresponding electric energy for the electric tool and comprise an extension bar which is of a tubular structure. The front end of the lengthening rod is used for being connected with an electric tool, an electric control system is inserted into the lengthening rod along the rear end of the lengthening rod, and the electric control system comprises a control unit playing a main control role, an electricity storage unit used for storing electric energy and an operation unit used for interacting with a user. The control unit, the electricity storage unit and the operation unit can be independently replaced, the assembling and disassembling convenience of the electric control system is greatly improved, the spliced electric control system can be convenie