A detailed theoretical qualitative, as well as quantitative,analysis of the influence of the dimensions of Bi(2223)/Ag based cylindricalmagnets on the energy stored in the magnet's winding was performed for variousoperating temperatures. The results achieved can be used to consider thepotential suitability of the high-temperature superconductivity magnets forthe purposes of micro-superconducting magnetic energy storage applications. Amathematical model which enables one to calculate the values of basicparameters, such as the critical current and stored energy of cylindricalmagnets consisting of the set of Bi(2223)/Ag pancake coils, was developed withrespect to the real distribution of the magnetic field in the winding and theangular dependence (anisotropy) of the Ic(B) characteristic of the tape. Anexample of a detailed analysis of the influence of the winding geometry, whichis changed within the same overall length of 1, 2 and 5 km of themultifilamentary Bi(2223)/Ag tape, was performed at the temperatures of 77, 65and 4.2 K. The most interesting and important result achieved is that thegeometry of the winding that corresponds to the maximum stored energy differsaccording to the temperature. The disc-shaped magnets, which consist of a verylow number of pancake coils, are the most suitable solution at 77 and 65 K.Simultaneously, the value of the stored energy is practically independent ofthe bore diameter of the magnet. On the other hand, when looking for theoptimum winding geometry at 4.2 K, the magnets with the smallest bore diameterare more suitable, while the value of the energy stored does not depend on thenumber of pancake coils.