How long do hearing aid batteries last?
The lifespan of a hearing aid battery depends on the size and type. Size 312 batteries last about three days, while sizes 13 or larger typically have an average life span between one to two weeks per charge cycle.
Size 12s are most commonly used in behind-the ear models because they provide more power than smaller cells for better sound quality. These type of hearing aid batteries can go up to four months before needing replacement with daily use
You may ask – what is the perfect amount of time for your battery life, and what factors can affect your decisions? It varies from individual to individual in terms of how much use they will get out of their batteries. If you’re still unsure about changes in battery usage, make a habit of experimenting with different types or consulting with your audiologist on possible solutions.
The best thing about new types of rechargeable batteries is that it can last up to one week, depending on model and usage. They are also much less expensive than disposable ones, and you don’t have the hassle or expense associated with disposing them after use (though they do need recharging every few days).