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: This manuscript aims to evaluate key challenges related to customer expectations and technical competencies for the successful integration of batteries into microgrid systems. To perform that, there are Six distinct customer expectations and technical requirements were identified through a comprehensive literature review. The criteria weights were determined using the sine trigonometric Pythagorean fuzzy (STPYF) decision making Trial and Evaluation Laboratory (DEMATEL) approach. Additionally, the technical requirements were ranked using a novel method developed in this study, called the "Ranking Technique by Geometric Mean of Similarity Ratio to Optimal Solution" (RATGOS), which was integrated with the STPYF framework. The study's main contribution lies in simplifying the prioritization process to enhance battery integration efficiency in microgrid systems. Moreover, the introduction of the RATGOS methodology adds a unique element to the decision-making landscape. The analysis revealed that energy storage efficiency is the most critical customer expectation, while the development of smart battery control systems was found to be the top technical requirement for optimizing microgrid performance. Based on these findings, strategies must be implemented to improve energy storage efficiency in microgrid systems, emphasizing the selection of appropriate batteries and robust technological infrastructure. Ensuring cybersecurity is equally crucial for safeguarding energy storage processes against external threats, enabling safer battery operation.