Multifunctional special charger

The invention discloses a multifunctional special charger, which comprises a box body, a charging module is arranged in the box body, two fans and a connector are arranged at the tail part of the box body, and a group of fast charging/slow charging output interfaces, a group of equalizing charging output interfaces, a group of 220VAC input interfaces and a group of power switches are arranged outside the box body; the 220V AC input interface is in butt joint with a battery, after an equalization input signal is detected, the 220V AC input interface can work only by pressing a charging key, the charging indicator light is always on to display charging when the positive electrode and the negative electrode of the battery are connected and the charging key is pressed, and charging is automatically ended when the battery pack is fully charged; during normal charging, the current working state can be quitted by pressing the charging key for 2 seconds for a long time. According to the invention, the problem of low-