Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.
Whereas some size change is perfectly normal, it should not be overly pronounced. If so, replace the battery immediately. A bulging coin battery may lead to device malfunction and even short-circuiting.
A decreased operating time could indicate that your rechargeable batteries need replacing, depending on the circumstances.
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.
Panasonic zinc air batteries have been specifically designed for hearing aids, other batteries may not perform as well.
You can download the manuals of our chargers on our website.
Always remove the tab a few minutes prior to installing it into your hearing aid. This allows the battery chemicals to activate.
In general it’s best to never let your batteries deplete completely. Try to recharge them before the energy level drops below 30%.
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.
Batteries are best stored at room temperature. Extreme heat or cold can significantly reduce battery life.