Charger test connector device convenient and easy to use

The invention discloses a charger test connector device convenient and easy to use. The device comprises a power source protecting box (1), wherein two electricity leakage protection air switches (5) are installed in the power source protecting box (1); an upper three-phase four-wire binding post (6-1) is connected to the upper end of one electricity leakage protection air switch, and a lower three-phase four-wire binding post (6-2) is connected to the lower end of the electricity leakage protection air switch; an upper single-phase binding post (6-3) is connected to the upper end of the other electricity leakage protection air switch, and a lower single-phase binding post (6-4) is connected to the lower end of the electricity leakage protection air switch through a wire. Through the charger test connector device convenient and easy to use, each charger can be tested when the main power source of the charger is not powered off, operating risk is reduced, personal safety is guaranteed, an operation process is optimized, meanwhile, working efficiency can be greatly improved, stable output of a direct-current system is guaranteed, and safe operation of the system is guaranteed.