There are some best cases to keep stored batteries in best shape: store them in their original packaging, never mix up different batteries and store them at room temperature or in a cool environment.

At this point Panasonic does not produce AAAA or LR61 batteries.

The ideal temperature for our primary batteries is between 5°C up to 45°C. 

The main difference between a zinc battery and an alkaline battery is the type of electrolyte used in both batteries. Because of the composition, an alkaline battery delivers more energy than a zinc battery. Both batteries should thus be used in different appliances.

In case of skin, eye contact with alkaline solution or electrolyte from zinc carbon battery: irrigate exposed skin with clear tepid water for at least 15 minutes, if irritation, injury or pain persists, contact a physician. If there is contact with the eye, do not rub the eyes, but flush the eyes with clear tepid water for at least 15 min.

Always replace all batteries at once and when you replace the battery please check the battery box.

You can download the manuals of our chargers on our website.

Yes, the batteries' weight does change during usage.

There can be several reasons why the appliance doesn't work. The battery can be wrongly inserted in the battery compartment, there can be a bad connection between the battery and the compartment connection terminal or it is possible the appliance does not work properly.

Mixed use or leaving the battery in the appliance can cause battery leakage.