Hydraulic systems have been widely used in several large industries, the use of hydraulics in industrial activities help the running of related industrial activities. A large number of maintenance requests for the workshop requires a modern jack that can increase work productivity in the workshop. Also, designing a hydraulic jack to increasing its ability to make it easier, faster, and more modern in operation. A hydraulic jack is made to consider the work safety factor of workers who use it. In this study also improves the hydraulic jack capability better, namely analyzing the hydraulic system parts or hydraulic telescopic capabilities on a portable electrical hydraulic jack. In this research, the method to analyze the lift force is to use Pascal's Law Concept. The maximum initial force mechanism to lift the load on the lifting hydraulic pump is 5.35 kg or in a percentage of about 0,38% of the load. Then, the position of the hydraulic cylinder tilt angle before working is 11.53°, while the position of the hydraulic cylinder tilt angle in maximum extension is 40.83°. Linear trend on height of jack, length of hydraulic cylinder, and angle of inclination indicate the hydraulic system of the portable electrical hydraulic jack is work very well.