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Home › Things › Hearing aids › Receiver-in-canal Hearing Aids (Size 312)
Hearing aids

Receiver-in-canal Hearing Aids (Size 312) battery

1The battery you need2Change it3Buy it4Reminder5Other names
  1. 1

    The battery you need

    →312STICKER

    It takes one Size 312: a hearing aid battery, about as wide as a pea.

    Get Size 312 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Something wrong or missing? Tell us

  2. 2

    How to change it

    You’ll need: None (magnetic battery wand helps)

    1. Open the door

      Swing open the battery door with a fingernail and tip out the old cell.

    2. Activate the cell

      Peel the brown tab and wait one minute so air can activate the zinc.

    3. Insert flat side up

      Place the cell with the flat + side matching the + mark and close the door.

    Handy tip

    Waiting a full minute after removing the tab can add days of runtime.

  3. 3

    Where to buy it

    As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Our pickThe exact match, 4-packEnergizer Size 312 1.45V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerSize 312 1.45V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell, the same batteryDuracell Size 312 / Size 312 1.45V Battery
    Check Price on Amazon →

    Buttons open amazon.com 🇺🇸, picked from your country.

  4. 4

    Remind me to change it

    A new battery usually lasts about a week in this device.

    That’s around November 8.

    Add to my calendar
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    No email needed.

    We only use your email for this reminder. Privacy policy

  5. 5

    Also sold as

    Any of these names is the same battery.

    Size 312PR41312A312ZA312V312
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Questions people ask

What battery does the Receiver-in-canal Hearing Aids (Size 312) take?

It takes Size 312, a hearing aid battery.

Can I use PR41 instead?

Yes. PR41, 312, A312 are the same battery with other names.

How long will the new battery last?

Usually about a week, depending on how much you use it. Most devices warn you when it gets low.

About the Size 312

Size
About as wide as a pea
Thickness
As thick as 5 credit cards stacked
Power
1.45 volts
Keeps in a drawer for
About 3 years
Rechargeable?
No, use once
Found in things like
Receiver-in-canal hearing aids
Everything about Size 312
312STICKER
Receiver-in-canal Hearing Aids (Size 312) takesSize 312
Get Size 312 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The battery you need2Change it3Buy it4Reminder5Other names