How many extra batteries are needed for 7 or more tasers?

To determine the number of extra batteries needed for 7 or more tasers, it's essential to consider the operational requirements and battery management protocols for these devices. Each taser typically operates with its own battery, and having a backup is crucial for maintaining functionality, especially in critical situations.

When an organization preps for equipment, a common guideline is to have one extra battery for each device to ensure that there's a backup available when needed. This means that for 7 tasers, there would typically be a requirement for at least 7 extra batteries, one for each taser, to prepare for situations where a battery might fail or run low on charge.

However, the correct interpretation of needing "extra" batteries also implies having additional spares beyond just one per taser to address multiple contingencies. Therefore, having up to 6 extra batteries ensures that there is a buffer beyond the immediate need and allows for cases where more than one battery might need to be replaced simultaneously.

This consideration of redundancy in operational readiness is why the answer of needing 6 extra batteries stands as the correct choice for maintaining a robust supply for 7 or more tasers.