How long are these batteries for hearing aids last?

I have not really noticed, because sometimes, my batteries are left in First, I can change this, then the law goes, and I can change that LOL. In the package says PowerOne high level of audience. Thanks pour votre aide.

Approximately two weeks. But it depends on the volume that they secure, how often are other factors. The last reason that different and are very likely to set the configuration different.

Power One Size 312 Zinc Air Hearing Aid Batteries (60 batteries) $13.51 Long lasting zinc-air batteries in a rust proof stainless steel case. Top of the line German made batteries….

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PowerOne ACCU plus Size 312 Rechargeable Hearing Aid Batteries $38.95 These fast chargeable batteries are ecologically sound. By using our rechargeable button cells, you help to protect the environment. The rechargeable batteries do not contain any heavy metals like mercury, cadmium or lead. These high-performance NiHM batteries are characterized by their excellent reliability and quality without any memory effect. All power one batteries are subjected to strict saf…

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Power One 675 Cochlear Implant Batteries (6 pack) $11.97 Power One 675 Cochlear batteries were specifically designed for high-drain cochlear implants providing 20% longer running time and the best possible performance….