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Home › Can I swap? › AAAA vs LR61
Can I swap?

AAAA vs LR61: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    YesYes, they’re the same batteryAAAA and LR61 are two names for the exact same battery. Use either one.
    AAAA
    AAAAA bit shorter than an AA and as thin as a pencil
    AAAA
    LR61A bit shorter than an AA and as thin as a pencil
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  2. 2

    Both ways round

    Can I put LR61 where AAAA goes?Yes
    Can I put AAAA where LR61 goes?Yes
  3. 3

    What’s different

    AAAALR61
    SizeA bit shorter than an AA and as thin as a pencilA bit shorter than an AA and as thin as a pencil Same
    LengthA bit shorter than an AA and as thin as a pencilA bit shorter than an AA and as thin as a pencil Same
    Power1.5 volts1.5 volts Same
    KindExtra-thin AAAA batteryExtra-thin AAAA battery

    Lasts longer: Same

  4. 4

    Where to buy AAAA

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

    Our pickThe exact match, 4-packEnergizer AAAA 1.5V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerAAAA 1.5V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell MN2500, the same batteryDuracell MN2500 / AAAA 1.5V Battery
    Check Price on Amazon →

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

    Get LR61 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About AAAAAbout LR61Check another pair
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Questions people ask

Can I use LR61 instead of AAAA?

Yes. AAAA and LR61 are two names for the exact same battery. Use either one.

Can I use AAAA instead of LR61?

Yes. AAAA and LR61 are two names for the exact same battery. Use either one.

Which one lasts longer?

They last about the same.

All the numbers

AAAALR61
Diameter8.3 mm8.3 mm
Height42.5 mm42.5 mm
Nominal voltage1.5V1.5V
Typical capacity625 mAh625 mAh
ChemistryAlkalineAlkaline
Shelf life7 yrs7 yrs
Operating temp-18 to 55 °C-18 to 55 °C
Can I use LR61 instead of AAAA?Yes
Get AAAA on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The short answer2Both ways3Differences4Buy it5Learn more