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Home › Can I swap? › SR721SW vs SR714SW
Can I swap?

SR721SW vs SR714SW: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    In a pinchSR714SW can stand in for SR721SW, but not the other way roundThey’re the same width and power, but SR714SW is thinner. It may wobble a little and runs out about 40% sooner. SR721SW is too thick to fit where SR714SW goes.
    SR721SW+ 1.55V
    SR721SWAs thick as 3 credit cards stacked
    SR714SW+ 1.55V
    SR714SWAs thick as 2 credit cards stacked
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  2. 2

    Both ways round

    Can I put SR714SW where SR721SW goes?In a pinch
    Can I put SR721SW where SR714SW goes?No
  3. 3

    What’s different

    SR721SWSR714SW
    SizeAbout as wide as a peaAbout as wide as a pea Same
    ThicknessAs thick as 3 credit cards stackedAs thick as 2 credit cards stacked
    Power1.55 volts1.55 volts Same
    KindWatch batteryWatch battery

    Lasts longer: SR721SW (about 67% longer)

  4. 4

    Where to buy SR721SW

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    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 362
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    Amazon searchMulti-packs from any brandSearch Amazon for SR721SW multi-packs
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    Amazon searchDuracell D362 listings, the same batterySearch Amazon for Duracell D362
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  5. 5

    Learn more

    About SR721SWAbout SR714SWCheck another pair
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Questions people ask

Can I use SR714SW instead of SR721SW?

In a pinch. They’re the same width and power, but SR714SW is thinner. It may wobble a little and runs out about 40% sooner. SR721SW is too thick to fit where SR714SW goes.

Can I use SR721SW instead of SR714SW?

No. They’re the same width and power, but SR714SW is thinner. It may wobble a little and runs out about 40% sooner. SR721SW is too thick to fit where SR714SW goes.

Which one lasts longer?

SR721SW (about 67% longer).

All the numbers

SR721SWSR714SW
Diameter7.9 mm7.9 mm
Height2.1 mm1.4 mm
Nominal voltage1.55V1.55V
Typical capacity25 mAh15 mAh
ChemistrySilver oxideSilver oxide
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use SR714SW instead of SR721SW?In a pinch
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1The short answer2Both ways3Differences4Buy it5Learn more