Binding post device for lithium ion power supply system

The utility model discloses a binding post device for a lithium ion power supply system, which comprises a binding post, a square sealing gasket is positioned between a mounting plate and a binding post mounting panel, and the binding post mounting panel is fastened on the mounting plate through mounting screws. A corresponding polygonal sealing gasket is clamped into the polygonal groove of the binding post mounting panel, the baffle surface of the binding post is clamped into the polygonal groove of the binding post mounting panel, and a circular sealing gasket, a flat washer and a nut sequentially penetrate through the other surface of the binding post; and threaded connection is realized by using the nut and the binding post. According to the utility model, the purpose of leading the positive electrode and the negative electrode of the lithium ion battery power supply system out of the power supply system box body is realized by fixing the binding posts on the mounting plate, and the output of the power s