What must a vehicle's battery box have to ensure safety?

A vehicle's battery box must have a secure cover to ensure safety. The secure cover protects the battery from physical damage and prevents accidental contact with its terminals, which can pose a risk of short-circuiting. Additionally, a proper cover helps contain any spills or leaks from the battery, which can be hazardous to both the vehicle and the environment. By preventing exposure to external elements, a secure cover also helps maintain the integrity of the battery over time.

While ventilation holes are important for certain battery types to allow gases to escape, and color coding for terminals helps with proper connections, the primary safety feature required is the secure cover. Regular maintenance records, while beneficial for tracking the condition of the battery and its components, do not contribute directly to the immediate safety of the battery box itself.