The invention relates to a novel vehicle-mounted charger with a charging monitoring lamp bar. The novel vehicle-mounted charger comprises a charger body, a power output port, the monitoring lamp bar, a power lamp, a positive electrode, a negative electrode and a spring, wherein the power output port is arranged at one end of the charger body, the power lamp is arranged at one end of the charger body, the monitoring lamp bar is arranged on the surface of the charger body, the positive electrode is arranged at one end of the charger body, the negative electrode is embedded into the side face of the charger body, the bottom of the negative electrode is supported by the spring, and the spring is fixed into the charger body. Through the novel vehicle-mounted charger with the charging monitoring lamp bar, the quality of the product can be rapidly recognized, the use of the product can not be influenced in the traveling process, the elasticity is good, the service life is long, the contact performance is better, the structure is simple, and production cost is low.