Everything You Need to Know About Hearing Instrument Batteries
Your hearing instruments require a steady power supply in order to work properly, because even subtle changes in power output can affect performance, clarity, and volume control. Different hearing instruments require different types of batteries — based on the size and power requirements of the hearing instrument — to work properly. There are many variables that determine how long your battery will power your hearing instruments.
A standard “zinc-air” battery lasts anywhere from three to 15 days, depending upon the type of hearing instrument, the capacity of the battery, and the amount of hearing instrument use throughout each day. The smallest hearing instrument batteries, used for 12 to 16 hours per day, may need to be changed every three or four days, while the largest hearing instrument batteries used for only a couple hours each day may go several weeks without needing to be changed.
To minimize battery drain, turn off the hearing instrument when not in use by opening the battery door. A good way to dry out accumulated moisture is to remove the battery entirely from the battery door.
When storing batteries, keep them at normal room temperature (not refrigerated). Prior to changing batteries, wash your hands thoroughly to remove grease and dirt, which may drain the battery more quickly or dirty the inside of your hearing instrument. When the battery dies, it should be removed immediately. A completely discharged battery may swell and become difficult to remove from the small device. The best method to extend battery life is to remember to always pull off the zinc air battery tab and place battery on a counter top for 15 minutes prior to insertion.
How Do I Change My Batteries?
There are a few ways to know when to change batteries. Some hearing instruments will emit a small beeping sound when the battery is low, while some will speak to the user, stating that a change of batteries is needed. Hearing instruments that don’t emit warnings typically worsen in sound quality, become distorted, or simply die altogether.
Note: if a change of batteries doesn’t alleviate this problem, please refer back to troubleshooting guide that was covered during your hearing instrument fitting.
To insert or replace batteries:
Ask us if rechargeable batteries is an option for you!
- Open battery door using nail grip.
- Remove old battery (if necessary).
- Remove new battery from package, and pull protective tab from battery. Let the battery rest for 15 minutes before placing battery into compartment.
- Align “+” sign on flat side of battery with “+” sign on battery door.
- When battery is secure, close door.