Fuse lock-out assembly for a battery pack

A fuse lock-out assembly for a battery pack, comprising:

• a first housing having an interior region that holds a manual service disconnect lower housing and a manual service disconnect upper housing therein;
• a fuse holding housing coupled to the first housing, the fuse holding housing having a first fuse compartment that holds a first fuse therein;
• a slidable door being slidably coupled to the first housing, the slidable door slides from a first operational position to a second operational position;
• the slidable door covers an open end of the first fuse compartment at the first operational position to prevent the first fuse from being removed from the first fuse compartment;
• and
• the slidable door extends over a portion of the manual service disconnect lower housing at the second operational position only if the manual service disconnect upper housing is previously de-coupled from the manual service disconnect lower housing, the slidable door further does not cover the open end of the first fuse compartment at the second operational position.