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Home › Can I swap? › SR527SW vs SR512SW
Can I swap?

SR527SW vs SR512SW: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    In a pinchSR512SW can stand in for SR527SW, but not the other way roundThey’re the same width and power, but SR512SW is thinner. It may wobble a little and runs out about 74% sooner. SR527SW is too thick to fit where SR512SW goes.
    SR527SW+ 1.55V
    SR527SWAs thick as 4 credit cards stacked
    SR512SW+ 1.55V
    SR512SWAs thick as 2 credit cards stacked
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  2. 2

    Both ways round

    Can I put SR512SW where SR527SW goes?In a pinch
    Can I put SR527SW where SR512SW goes?No
  3. 3

    What’s different

    SR527SWSR512SW
    SizeAbout as wide as a pencil eraserAbout as wide as a pencil eraser Same
    ThicknessAs thick as 4 credit cards stackedAs thick as 2 credit cards stacked
    Power1.55 volts1.55 volts Same
    KindWatch batteryWatch battery

    Lasts longer: SR527SW (about 282% longer)

  4. 4

    Where to buy SR527SW

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    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 319
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    Amazon searchMulti-packs from any brandSearch Amazon for SR527SW multi-packs
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    Amazon searchDuracell D319 listings, the same batterySearch Amazon for Duracell D319
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  5. 5

    Learn more

    About SR527SWAbout SR512SWCheck another pair
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Questions people ask

Can I use SR512SW instead of SR527SW?

In a pinch. They’re the same width and power, but SR512SW is thinner. It may wobble a little and runs out about 74% sooner. SR527SW is too thick to fit where SR512SW goes.

Can I use SR527SW instead of SR512SW?

No. They’re the same width and power, but SR512SW is thinner. It may wobble a little and runs out about 74% sooner. SR527SW is too thick to fit where SR512SW goes.

Which one lasts longer?

SR527SW (about 282% longer).

All the numbers

SR527SWSR512SW
Diameter5.8 mm5.8 mm
Height2.7 mm1.3 mm
Nominal voltage1.55V1.55V
Typical capacity21 mAh5.5 mAh
ChemistrySilver oxideSilver oxide
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use SR512SW instead of SR527SW?In a pinch
Search Amazon for SR527SWAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1The short answer2Both ways3Differences4Buy it5Learn more