Brushless mini saw with extension rod

The brushless mini saw with the extension rod comprises a mini saw body, a telescopic rod and an electric connecting seat, a first battery connecting seat is arranged at the bottom of the mini saw body, the electric connecting seat is detachably connected with the first battery connecting seat, the electric connecting seat is electrically connected with the first battery connecting seat, the front end of the telescopic rod is fixed on the electric connecting seat, and the rear end of the telescopic rod is fixed on the electric connecting seat. A handle is arranged at the rear end of the telescopic rod, a second battery connecting base and a switch are arranged on the handle, the switch is electrically connected with the second battery connecting base, and the second battery connecting base is electrically connected with the electric connecting base. After the scheme is adopted, the height which can be reached by the mini saw can be conveniently adjusted according to the height of a branch, so that the use eff