The invention discloses a portable mobile energy storage battery management system, and relates to the field of battery management systems. According to the technical scheme, the system solves the problem that a user often does not know the number of times that a mobile energy storage battery can charge current load equipment, and is characterized by comprising a user unit controlled by the user using the mobile energy storage battery; Wherein a scanning device is arranged in the user unit, a load equipment charging frequency database of charging frequencies corresponding to load equipment with different identification information is arranged in the user unit, and a display module is further arranged in the user unit; The load identification unit is arranged on the surface of the load equipment and presets identification information of the load equipment; According to the portable mobile energy storage battery management system, a user can know the number of times of charging supportedby the mobile energy storage battery to the current load equipment, and the user can reasonably arrange the use occasion of the mobile energy storage battery conveniently.