Hearing Aid Batteries
Batteries for hearing aids have been evolving over the years — learn what has changed and what has stayed the same
Different Types of Batteries
There are four main sizes of batteries, each with a specific color-coded package: size 10 (yellow), size 13 (orange), size 312 (brown), and size 675 (blue). The battery size you need is typically based on the size and style of your hearing aid.
Standard hearing aid batteries are zinc-air, which are activated when exposed to air, so it is very important to keep them sealed in their packages prior to use. Never open packages to move batteries to a single container; keep the packages sealed until the batteries must be used in the hearing aids, or you may end up with a dead battery. Don’t buy batteries if the seal is broken.
Lithium-Ion Rechargeable Batteries
You might recognize the term “lithium-ion battery” from other electronics around your house, like your smartphone or laptop. Now this technology is available in some of the latest hearing technology.
No more fiddling with batteries constantly. Every night, just place your hearing devices in the charger, and in the morning, they’re ready to go for a full day. This battery has a high energy density, which means its small size packs a lot of power — with a short charge time, you get over 24 hours of continuous power, even if you stream audio from a mobile device.
The battery is sealed up inside your hearing aid, so it’s protected from moisture and dust. Plus, the typical lifespan of a lithium-ion battery is around the same lifespan as your hearing instruments, so you don’t have to worry about getting the battery replaced.