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Home › Can I swap? › SR920SW vs SR927SW
Can I swap?

SR920SW vs SR927SW: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    NoSR920SW can stand in for SR927SW, but not the other way roundThey’re the same width and power, but SR920SW is thinner. It may wobble a little and runs out about 20% sooner. SR927SW is too thick to fit where SR920SW goes.
    SR920SW+ 1.55V
    SR920SWAs thick as 3 credit cards stacked
    SR927SW+ 1.55V
    SR927SWAs thick as 4 credit cards stacked
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  2. 2

    Both ways round

    Can I put SR927SW where SR920SW goes?No
    Can I put SR920SW where SR927SW goes?In a pinch
  3. 3

    What’s different

    SR920SWSR927SW
    SizeAbout as wide as a peaAbout as wide as a pea Same
    ThicknessAs thick as 3 credit cards stackedAs thick as 4 credit cards stacked
    Power1.55 volts1.55 volts Same
    KindWatch batteryWatch battery

    Lasts longer: SR927SW (about 25% longer)

  4. 4

    Where to buy SR920SW

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

    Our pickThe exact match, 4-packEnergizer SR920SW 1.55V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerSR920SW 1.55V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell, the same batteryDuracell SR920SW / SR920SW 1.55V Battery
    Check Price on Amazon →

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

    Get SR927SW on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About SR920SWAbout SR927SWCheck another pair
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Questions people ask

Can I use SR927SW instead of SR920SW?

No. They’re the same width and power, but SR920SW is thinner. It may wobble a little and runs out about 20% sooner. SR927SW is too thick to fit where SR920SW goes.

Can I use SR920SW instead of SR927SW?

In a pinch. They’re the same width and power, but SR920SW is thinner. It may wobble a little and runs out about 20% sooner. SR927SW is too thick to fit where SR920SW goes.

Which one lasts longer?

SR927SW (about 25% longer).

All the numbers

SR920SWSR927SW
Diameter9.5 mm9.5 mm
Height2.0 mm2.7 mm
Nominal voltage1.55V1.55V
Typical capacity44 mAh55 mAh
ChemistrySilver oxideSilver oxide
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use SR927SW instead of SR920SW?No
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1The short answer2Both ways3Differences4Buy it5Learn more