Developed and integrated low-voltage detection features across the nrfconnect/sdk-zephyr and Zephyr4Microchip/zephyr repositories, focusing on enhancing battery protection and system reliability in embedded environments. Leveraged expertise in firmware development and hardware abstraction layers to update HAL Nordic revisions, enabling proactive power management through the Low Voltage Detector. The work involved aligning upstream Zephyr ecosystems and propagating voltage monitoring capabilities, ensuring consistent diagnostics and protection mechanisms. Utilizing technologies such as Zephyr OS, YAML, and Git-based workflows, the developer delivered two cross-repository features within one month, emphasizing robust version control and seamless integration without introducing reported defects or regressions.