Tacchan Mello developed a configurable sign inversion feature for the LinearBatteryPlugin in the gazebosim/gz-sim repository, enabling simulation of inverted current directions for diverse battery hardware scenarios. The work involved updating parameter handling, message generation, and post-update data publishing pipelines to support flexible modeling requirements. Using C++ and leveraging skills in embedded systems and plugin development, Tacchan ensured the new parameter integrated seamlessly with existing simulation workflows. The implementation was tracked under issue #2696 and delivered across multiple commits, reflecting a focused and in-depth approach to solving a specific simulation challenge within a complex configuration management environment.