How long do Hearing Instrument (HI) batteries typically last?
A standard HI battery lasts anywhere from 72 to 200 hours, depending on the HI type, amount of use, battery type, and capacity. Streaming also has a direct influence on the running time of a battery based on how long and often.

How should batteries be properly stored?
Store your HI batteries between 50° and 86° F – preferably at room temperature between 68° – 77°F. Storing in excessive heat and a damp environment may shorten the life of the battery.

Individual HI batteries should not be carried loose in a purse, wallet or handbag – contact with metal objects such as keys or coins can cause the hearing instrument battery to short-circuit.

Where you store your HI batteries can affect how much power you get out of them. While it might seem to make the most sense to keep them in your bathroom medicine cabinet, that’s probably not the best place because bathrooms tend to have high humidity levels. Instead, store them in your bedside table or elsewhere around the home where dry conditions are more common.

What is the shelf life of my batteries?
The standard shelf life of a battery is 3-4 years from date of manufacturer. However, the fresher they are the better they perform, especially when kept in the proper storage conditions. To find the ‘best used before’ date see the back of the battery card.

Do more air holes mean a longer battery life and greater power?
No, the quality and construction of the electrode are the determining factors.

Why is there a tab on my battery?
HI batteries use air as an active ingredient in fueling the battery. The tab provides a seal that ensures freshness until the time of use. Once the battery is un-tabbed, the air from outside of the battery begins to react with the zinc inside the battery and this reaction is what powers the battery. To properly activate the battery, remove the tab and wait one minute or more to allow air to fill the battery, then insert the battery into your hearing instrument.

When the tab is removed and the battery has been aired up properly, make sure that you are not forcing the battery door closed. Check that the battery is inserted correctly before closing the door.
Note: replacing the tab when the battery is not in use will not extend the battery life.

How does a HI battery deliver its best performance?
Please make sure you protect the HI battery air holes from moisture. If the battery should get wet, dry it. Switching off your HI when not in use will also prolong the life of the battery. If you won’t be using the HI for an extended period, remove the battery entirely.

Why is my hearing instrument not working despite having a new battery?
There could be several reasons for this. Here are some things to check:
1. Not enough time for battery to be activated after removal of the tab. 1 minute is recommended.
2. Dented battery surface causes poor contact with battery terminal of the hearing instrument.
3. Battery is dead (even if it is brand new).
4. Built up dirt on the battery terminal of the HI causes poor contact.
5. The battery does not fit into the battery door of the hearing instrument.

Care tips to longer battery life:
1. Store HI batteries at normal room temperatures.
2. Do not refrigerate.
3. Wash your hands thoroughly before changing batteries. Grease and dirt may damage the hearing instrument.
4. Leave the battery compartment of your hearing device open at night so moisture can escape. Doing so will keep the battery from corroding and damaging the hearing instrument.
5. Remove dead batteries immediately. A completely discharged battery may swell and become difficult to remove.
6. It is recommended to change your batteries on the same day each week so that it becomes habit and to carry extra batteries to avoid the HI going dead while away from home. However, be sure to keep the batteries in the original packing to avoid any short circuiting.

What do I do if a battery is swallowed?
HI batteries, whether they are used or new, must be stored out of the reach of small children and pets to prevent them from swallowing a battery. If batteries are ingested, seek medical help immediately.

How do I dispose a used hearing instrument battery?
HI batteries are classified as non-hazardous waste. However, it is recommended to bring the batteries to the common local collecting points for batteries to make sure they can be recycled properly. Larger grocery stores often have a recycling bin for batteries and companies like, and is also a great resource.

Consider switching to Rechargeable Hearing Instruments.
We offer rechargeable behind-the-ear (BTE) HI to help make life more convenient. The latest rechargeable hearing instruments can last all day on a single charge. At night, you can simply place them on the charging station. After a few hours, they’ll be fully charged and ready to go.

Rechargeable hearing instruments are equipped with lithium-ion batteries, which are the same type used to power cell phones and laptops. Because they last such a long time, rechargeable batteries can go years without ever needing to be replaced.