Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.
A decreased operating time could indicate that your rechargeable batteries need replacing, depending on the circumstances.
Use batteries for their right purpose: insert them correctly, replace them when empty and store them dry and at room temperature.
Batteries in smart keys usually last between 1 to 2 years. Unusually short battery life may be caused by electromagnetic interference. Avoid keeping your smart key near other electronic devices such as phones, laptops and other screens.
Empty batteries should always be recycled. You can bring your batteries to a recycling point near you, free of charge.
Always remove the tab a few minutes prior to installing it into your hearing aid. This allows the battery chemicals to activate.
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.
Battery lifespan greatly depends on the device and on the conditions.
Always remove batteries from devices you don’t use for longer periods, from devices connected to AC power and when batteries are empty.
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.