Hearing Aid Batteries
Like any portable electronic device, hearing aids rely on batteries to work their magic. There are two main types of batteries, which you will need to choose between at the time you select your hearing aids. For years, disposable zinc-air batteries were the only option for hearing aids, but in the last few years, rechargeable lithium-ion batteries have become a reliable and popular option.
For most people who wear RIC (receiver-in-canal) or BTE (behind-the-ear) hearing aids, rechargeable batteries are now the best option. The rechargeable batteries used in hearing aids are the lithium-ion type—the same as you’ll find in your smartphone, tablet, or laptop computer.
For the most part, only RIC and BTE hearing aids can use rechargeable batteries. This is because the current state of the technology requires a battery that is too large to fit inside smaller hearing aids, though Starkey does make an ITE (in-the-ear) hearing aid with a rechargeable option.
ITE and smaller hearing aid types generally do not use rechargeable batteries, as the tiny battery that would be required cannot provide enough power to offer a full day’s use on a single charge. While this may change one day, the current state of the art requires a disposable zinc-air battery for use with most ITE and smaller hearing aids.
Zinc-air batteries can provide power for significantly longer than rechargeable batteries. The largest disposable batteries will last for 9–20 days, while the smallest will last about 3–7 days.
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