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.

In general, appliances are designed to match the characteristics of dry batteries and to work within the voltage range of 1.5V to 0.9V. Thanks to this characteristic, Ni-MH rechargeable batteries can be used in appliances which require alkaline batteries, even with lower initial voltage.