Outdoor portable DC power supply EPS power supply

The utility model discloses an outdoor portable direct-current power supply EPS power supply, which comprises a storage cabinet, a storage battery pack, a charger, a direct-current voltage stabilizing circuit, a solar charging circuit, a roller dragging mechanism, a solar charging mechanism and a power supply wire holder. The outdoor portable direct-current power supply EPS can be conveniently dragged and moved by utilizing the roller dragging mechanism, so that the storage cabinet is convenient to use; the power supply wire holder is detachably inserted into the storage cabinet, so that the power supply wire holder can be detached for use, two external power supply modes of fixed wiring or movable wiring are realized, and the use flexibility is better; the solar charging mechanism can be used for charging the storage battery pack through the solar charging circuit when no commercial power is available outdoors, so that the outdoor long-term use requirement is met; and stable direct-current voltage can be pro