Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.

Polarity reversal may happen when more than two batteries are connected in series and used until the last moment of discharge.
Cycle life is the number of times the rechargeable battery can be recharged.
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.
Battery performance greatly depends on the device and on the conditions.
There are different types of Panasonic alkaline batteries, each with their own specialty.
The memory effect is an occasional defect, which occurs in Ni-Cd and Ni-MH rechargeable batteries, where the maximum battery voltage decreases even though the original power of the battery remains the same.
No. All Panasonic rechargeable batteries come pre-charged. However, due to changes in conditions and temperature during transportation, some discharge may have occurred - meaning the battery may not be at full capacity when you take them out of the package.
Yes, the batteries' weight does change during usage.
Please seek medical attention immediately. While serious accidents are relatively uncommon, swallowing a coin battery may still cause burns or breathing difficulties.

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