Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.
You’re always allowed to board the plane with your hearing aid batteries in the device. For regulations on bringing spare hearing aid batteries, please consider contacting your airline.
It’s possible, yes. But we can never guarantee perfect functionality - so we recommend charging your Panasonic batteries with a Panasonic or eneloop charger.
Yes. All batteries have an expiration date, beyond which their performance decreases.
A battery is a chemical product which produces electricity by chemical reactions at its inside. These reactions and its inside materials do deteriorate over time. If you start using it within that period, the battery will operate normally and maintain the specified performance.
Use batteries for their right purpose: insert them correctly, replace them when empty and store them dry and at room temperature.
Don’t charge an alkaline or zinc-carbon battery, they are not designed to be charged.
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.
Each battery has specific characteristics, depending on their chemical composition. Zinc carbon is a cheap battery for basic low-drain devices. Alkaline deliver good, dependable power (usable for any type of device, depending on the alkaline type). Lithium technology is a stable technology for smaller, yet demanding appliances. Zinc Air provide long-lasting, continual power.
When replacing a coin 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 the coin, not putting stress on it as you’re closing up the holder.
Expiry date indicates how long the battery will function properly according to industry standards.

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