Turn off the device and remove the battery immediately. Remove the remaining leakage using a cotton swab. Avoid skin contact at all times.

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

Mixing batteries causes an imbalance in the energy flow. Some batteries will overcompensate this by discharging faster than usual - greatly reducing their lifespan.

Never mix batteries. Mixing batteries causes an imbalance in the energy flow. Some batteries will overcompensate this by discharging faster than usual - greatly reducing their lifespan.

Make sure you measure the correct way: connect the poles to their corresponding measuring ends.

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.

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

This is a guarantee that no mercury is added during production.

Yes, the batteries' weight does change during usage.

Use batteries for their right purpose: insert them correctly, replace them when empty and store them high and dry.