Blue Sea Systems BSS Switch Battery m-Series Key Replace Red

The Blue Sea Systems 7900 m‑Series Mini Battery Switch Spare Key (Red) is a precision-engineered replacement key designed for use with m-Series mini battery switches. Compatible with models like the 6005, this durable red key enables secure mechanical operation and quick disconnection of power. Made from high-grade materials with strict attention to fit and finish, it ensures reliable engagement and longevity. An ideal spare for maintenance or replacements, the 7900 supports safe battery isolation and system integrity, making it a smart accessory for marine, RV, and industrial power systems.