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Home › Can I swap? › Size 10 vs Size 5
Can I swap?

Size 10 vs Size 5: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    In a pinchSize 5 can stand in for Size 10, but not the other way roundThey’re the same width and power, but Size 5 is thinner. It may wobble a little and runs out about 65% sooner. Size 10 is too thick to fit where Size 5 goes.
    10STICKER
    Size 10As thick as 5 credit cards stacked
    5STICKER
    Size 5As thick as 3 credit cards stacked
    Search Amazon for Size 10As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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  2. 2

    Both ways round

    Can I put Size 5 where Size 10 goes?In a pinch
    Can I put Size 10 where Size 5 goes?No
  3. 3

    What’s different

    Size 10Size 5
    SizeAbout as wide as a pencil eraserAbout as wide as a pencil eraser Same
    ThicknessAs thick as 5 credit cards stackedAs thick as 3 credit cards stacked
    Power1.45 volts1.45 volts Same
    KindHearing aid batteryHearing aid battery

    Lasts longer: Size 10 (about 188% longer)

  4. 4

    Where to buy Size 10

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer Size 10
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    Amazon searchMulti-packs from any brandSearch Amazon for Size 10 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell Size 10
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    Buttons open amazon.com 🇺🇸, picked from your country.

    Search Amazon for Size 5As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About Size 10About Size 5Check another pair
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Questions people ask

Can I use Size 5 instead of Size 10?

In a pinch. They’re the same width and power, but Size 5 is thinner. It may wobble a little and runs out about 65% sooner. Size 10 is too thick to fit where Size 5 goes.

Can I use Size 10 instead of Size 5?

No. They’re the same width and power, but Size 5 is thinner. It may wobble a little and runs out about 65% sooner. Size 10 is too thick to fit where Size 5 goes.

Which one lasts longer?

Size 10 (about 188% longer).

All the numbers

Size 10Size 5
Diameter5.8 mm5.8 mm
Height3.6 mm2.5 mm
Nominal voltage1.45V1.45V
Typical capacity95 mAh33 mAh
ChemistryZinc-airZinc-air
Shelf life3 yrs3 yrs
Operating temp0 to 50 °C0 to 50 °C
Can I use Size 5 instead of Size 10?In a pinch
Search Amazon for Size 10As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The short answer2Both ways3Differences4Buy it5Learn more