Always remove batteries from devices you don’t use for longer periods, from devices connected to AC power and when batteries are empty.

Panasonic hearing aid batteries are extremely safe. Unless they’re put under extreme circumstances, temperatures or pressure, they provide a very safe power source for your hearing aids.

Polarity reversal may happen when more than two batteries are connected in series and used until the last moment of discharge.

Batteries are best stored at room temperature. Extreme heat or cold can significantly reduce battery life.

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.

When inserting a battery, make sure you do the following: insert it the correct way, with plus and minus poles touching the right terminals; use the right coin battery size; avoid dirt or any other substances obstructing proper contact; carefully insert it, not putting stress on it as you’re closing up the holder. Makes sure it makes contact with the terminals.

Panasonic hearing aid batteries, or zinc air batteries, react with air. As soon as you pull off the seal, the battery will be able to release energy. Be sure to let the battery breathe for a few minutes before inserting it into your device.

Panasonic hearing aid batteries, or zinc air batteries, need air to work. As soon as you pull off the seal, air will flow into the battery, making it able to release energy. Be sure to let the battery breathe for a few minutes before inserting it into your device.

Replace all batteries at the same time. Do not mix old and new batteries. Use batteries from the same brand, type and expiry date too.

The results of a voltmeter vary depending on the type of voltmeter used. For a more accurate result, be sure to use a voltmeter with more than 1 megaohm input resistance for alkaline buttons batteries or a 10+ megaohm for lithium batteries.