Portable DC power supply system

The utility model discloses a portable DC power supply system, including the cabinet body and guide rail system, the cabinet body and function is in placing the battery, and the inside of the cabinet body is provided with the hoist engine, and the bottom of the cabinet body is provided with removes the wheel, the guide rail system includes 2 parallel arrangement's spout, connects through the diaphragm between 2 spouts, the one end of spout is provided with the horizontal track in upper portion, and the other end is provided with the horizontal track in lower part, the horizontal track in upper portion is opposite with the orbital extending direction of lower part level, the spout cooperatees with the removal wheel. The utility model discloses an it removes the wheel to set up in the bottom of the cabinet body for the nimble removal to the machineshop car of the realization power cabinet body of cooperateing simultaneously, through setting and the lapped guide rail system of machineshop car, is taken turns thr