What is a recommended practice for extending the life of a primary battery?

Regular weekly testing is a recommended practice for extending the life of a primary battery because it helps ensure that the battery is functioning properly and maintains its integrity. By routinely testing the battery, you can identify any potential issues early before they lead to complete failure. This practice allows for better monitoring of performance and capacity, ultimately ensuring that the battery is ready for use when needed.

Frequent recharging applies more to rechargeable batteries, while primary batteries are designed to be used until depleted. Reducing usage is not practical for battery life, as batteries are meant to serve a purpose, and limiting their use does not necessarily extend their lifespan. Allowing full discharge can actually harm primary batteries, as they are not designed to be recharged and may suffer from decreased performance after deep discharges. Regular testing strikes an ideal balance by keeping track of the battery's health without the risk associated with overuse or mismanagement.