02/06/2026
You put in a fresh battery two days ago… and now it’s flat again.
It feels frustrating and a bit confusing. But in most cases, it’s not a faulty device or bad batteries.
Cold weather slows the chemical reaction inside zinc-air batteries, which reduces performance. Add the daily shift between cold outdoor air and warm indoor spaces, and your hearing aids end up working harder than usual.
The result? Faster drain, inconsistent sound, and shorter battery life.
Before assuming something is wrong, a few simple habits can help:
• Keep batteries at room temperature (not in cars or cold bathrooms)
• Wait a few minutes after removing the tab before inserting
• Open battery doors overnight to reduce drain and moisture build-up
If your batteries are draining faster than usual, it’s worth getting your hearing aids checked, sometimes it’s just a small adjustment that restores normal performance.
Book a quick winter hearing aid check today: https://audiencehearing.com.au/contact/