Hearing aid batteries

Hearing aid size 312 (brown) batteries

Out of stock · back-order

In-the-ear and small behind-the-ear hearing aids.

Back-order: tell us how many you need and we will email you the price and when we can post them. You don't pay anything until you confirm.

Quantity (packs of 2)

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Opens your email app, addressed to [email protected].

Also called	312, PR41, A312, DA312, brown tab
Voltage	1.45 V
Typical capacity	about 160 mAh (varies by brand)
Diameter	7.9 mm
Height	3.6 mm
Chemistry	Zinc-air, not rechargeable
Shelf life	Up to 3 years sealed; 3 to 14 days once the tab is removed
Postage	Free within Australia, by letter (no tracking)

Warning: keep button and coin batteries away from children. Swallowing one can cause serious injury within hours. If you think a battery has been swallowed, get urgent medical help straight away.

Not the right size? See the full battery cross-reference.