Which of the following is a hazard associated with battery-powered equipment?

The hazard associated with battery-powered equipment that is significant is the incorrect compatibility of the battery and machine. Battery-powered equipment relies on specific battery types and specifications to function correctly and safely. If an incompatible battery is used, it can lead to several issues, including equipment malfunction, overheating, or even fire hazards. Each piece of equipment is designed to operate within certain electrical parameters, and deviating from these can compromise safety. Ensuring that batteries are compatible is crucial for safe and efficient operation.

The other options, while they may present concerns in different contexts, do not specifically pertain to the unique risks posed by battery-powered tools. For example, increased fuel consumption relates primarily to gasoline-powered equipment, and heavy weight causing operator fatigue is more often associated with larger machinery rather than being a specific issue with battery-operated devices. Excessive noise leading to hearing loss is generally a concern with traditional, combustion-engine tools, not battery-powered ones, which are often quieter by design. Thus, compatibility issues are the primary concern when considering hazards specific to battery-powered equipment.