Why do hearing aid batteries last only about a week, but other modest batteries can final a lot more than a year?

Some current hearing help sales Tip on Critique:
Question by bbaarcke: Why do hearing help batteries final only about a week, but other little batteries can last far more than a year?
My wristwatch battery typically lasts over a year and the 10 year batteries in my home smoke alarms have made it over three years, so far. Is the very brief life of hearing aid batteries since of planned obsolescence for greater sales?


Best answer:
Answer by Ben Ohearing aid batteries can final up to 5 years

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