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One of the most significant recent advancements in hearing aids is the introduction of the lithium-ion battery. Lithium-ion batteries are both energy dense and rechargeable. Hearing aids have traditionally been powered by zinc batteries. There are still many zinc powered hearing aids on the market. Some benefits of rechargeable lithium-ion batteries are obvious while others are not.

The clearest benefit to rechargeable hearing aids is not having to mess with the batteries. Rechargeable wearers don’t have to pick up or purchase batteries. Wearers with dexterity issues don’t have to worry about handling tiny zinc batteries either. A less obvious benefit is that the rechargeable hearing aids don’t have an opening and closing battery door. This allows them to be sealed up tighter, protecting against moisture and dust entering the hearing aid. Many experts believe this will help extend the life span of the device.

Years of innovation finally allowed the energy dense lithium-ion batteries to shrink enough to fit into hearing aids. Wearers always want their hearing devices as discrete as possible. Hearing aids, probably more than most products, are always fighting a battle between capability and size.

While rechargeable hearing aids are not new, rechargeable lithium-ion hearing aids are. Lithium-ion gives hearing aids an enhanced level of performance. Cell phones, laptops, tablets, and even electric cars are powered by lithium-ion batteries. It’s only natural for hearing aids to join the party!

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