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Home › Can I swap? › Size 10 vs SR527SW
Can I swap?

Size 10 vs SR527SW: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    NoNo, hearing aid batteries are differentThey’re the same size, but hearing aid batteries breathe air through tiny holes to work. Don’t mix them with ordinary button batteries.
    10STICKER
    Size 10As thick as 5 credit cards stacked
    SR527SW+ 1.55V
    SR527SWAs thick as 4 credit cards stacked
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  2. 2

    Both ways round

    Can I put SR527SW where Size 10 goes?No
    Can I put Size 10 where SR527SW goes?No
  3. 3

    What’s different

    Size 10SR527SW
    SizeAbout as wide as a pencil eraserAbout as wide as a pencil eraser Same
    ThicknessAs thick as 5 credit cards stackedAs thick as 4 credit cards stacked
    Power1.45 volts1.55 volts
    KindHearing aid batteryWatch battery

    Lasts longer: Size 10 (about 352% 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 SR527SWAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About Size 10About SR527SWCheck another pair
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Questions people ask

Can I use SR527SW instead of Size 10?

No. They’re the same size, but hearing aid batteries breathe air through tiny holes to work. Don’t mix them with ordinary button batteries.

Can I use Size 10 instead of SR527SW?

No. They’re the same size, but hearing aid batteries breathe air through tiny holes to work. Don’t mix them with ordinary button batteries.

Which one lasts longer?

Size 10 (about 352% longer).

All the numbers

Size 10SR527SW
Diameter5.8 mm5.8 mm
Height3.6 mm2.7 mm
Nominal voltage1.45V1.55V
Typical capacity95 mAh21 mAh
ChemistryZinc-airSilver oxide
Shelf life3 yrs5 yrs
Operating temp0 to 50 °C-10 to 60 °C
Can I use SR527SW instead of Size 10?No
Search Amazon for Size 10As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1The short answer2Both ways3Differences4Buy it5Learn more