Hearing Aid Batteries

Battery life depends on size, Bluetooth streaming habits, and your listening environments. As a rough guide: size 10 lasts 3 to 7 days, size 312 lasts 5 to 10 days, size 13 lasts 9 to 14 days, and size 675 lasts 14 to 21 days.

Heavy streaming for phone calls, TV, or music can reduce runtime by 30 to 50 percent. After peeling the tab, wait 60 seconds before inserting the battery — that lets the zinc activate fully and gives you the longest possible life. If your batteries are dying faster than expected, call Hear Today so we can check for a hardware issue.

For many patients, yes — especially if dexterity is becoming a concern, if you find managing small tabs inconvenient, or if you travel frequently. Rechargeable hearing aids deliver a full day of use from an overnight charge and remove the recurring cost of disposable batteries.

That said, disposables have real advantages: an immediate swap when you're away from a charger, no battery to degrade after a few years, and no charger to pack. Most modern RIC and BTE styles come in both versions. Dr. Gold walks through the trade-offs at your next visit based on your routine.

Zinc-air batteries begin losing capacity as soon as you peel the tab and expose them to air, but a sealed, unopened pack stays fresh for up to three years when stored properly. A cool, dry drawer or cabinet is ideal.

A few things to avoid: don't refrigerate batteries — condensation can damage them. Don't carry loose batteries with coins or keys; they can short out. Keep batteries out of parked cars, where summer heat in South Texas spikes quickly. And don't peel the tab until you're ready to use the cell. Call (361) 414-9066 to stop by for a fresh supply.