Keyword: ASPICE SYS.1, Stakeholder Requirements, Requirements Elicitation, Requirements Analysis, Requirements Management, Battery Management System, Client, Lithium-Ion Battery, Li-Ion, Super Capacitor, SCAP, Energy Storage System, Requirement Traceability, Requirement Review, Change Management, DOORS, Jama, Automotive Systems Engineering. Strong knowledge of Lithium-Ion battery systems, Super Capacitor modules, and Battery Management System (Client) functionality including SOC, SOH, SOP, cell balancing, thermal management, power management, charging/discharging behavior, diagnostics, and protection functions.