While leakage is rare, it may still occur if the battery is used incorrectly. Leakage is usually caused by leaving the battery in an unused device or short-circuiting.

Cycle life is the number of times the rechargeable battery can be recharged.

There are different types of Panasonic alkaline batteries, each with their own specialty.

As zinc air hearing aid batteries operate differently than other batteries they have different characteristics. In winter, rooms may be drier, warmer or badly ventilated. These effects can disturb the performance of your batteries.

Any minor difference in the batteries will cause either batteries to overcompensate and to deplete faster.

In appliances without a charging function, yes. In appliances that do have a charging function, be sure to check whether the function was specifically designed for Ni-MH. If not, it’s best not to use Ni-MH batteries.

Whereas some heat is normal, unusually hot batteries could be caused by over-discharging or short-circuiting. In such case, remove them from the device immediately.

It is not recommended as this could lead to over-discharging the batteries, which is one of the main causes of shortening the service life of your batteries.

Change the batteries as soon as the device starts malfunctioning. Remove the batteries if you plan on not using the device for a longer period of time.

Please store your batteries in dry conditions, and avoid high temperatures and direct sunlight.