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Home › Can I swap? › SR754SW vs LR754
Can I swap?

SR754SW vs LR754: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    YesYes, and SR754SW is the better pickSame size, and both fit. SR754SW lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR754 is the cheaper everyday option.
    SR754SW+ 1.55V
    SR754SWAs thick as 7 credit cards stacked
    LR754+ 1.5V
    LR754As thick as 7 credit cards stacked
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  2. 2

    Both ways round

    Can I put LR754 where SR754SW goes?Yes
    Can I put SR754SW where LR754 goes?Yes
  3. 3

    What’s different

    SR754SWLR754
    SizeAbout as wide as a peaAbout as wide as a pea Same
    ThicknessAs thick as 7 credit cards stackedAs thick as 7 credit cards stacked Same
    Power1.55 volts1.5 volts
    KindWatch batteryButton battery

    Lasts longer: SR754SW (about 54% longer)

  4. 4

    Where to buy SR754SW

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 309
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    Amazon searchMulti-packs from any brandSearch Amazon for SR754SW multi-packs
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    Amazon searchDuracell D309 listings, the same batterySearch Amazon for Duracell D309
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  5. 5

    Learn more

    About SR754SWAbout LR754Check another pair
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Questions people ask

Can I use LR754 instead of SR754SW?

Yes. Same size, and both fit. SR754SW lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR754 is the cheaper everyday option.

Can I use SR754SW instead of LR754?

Yes. Same size, and both fit. SR754SW lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR754 is the cheaper everyday option.

Which one lasts longer?

SR754SW (about 54% longer).

All the numbers

SR754SWLR754
Diameter7.9 mm7.9 mm
Height5.4 mm5.4 mm
Nominal voltage1.55V1.5V
Typical capacity80 mAh52 mAh
ChemistrySilver oxideAlkaline
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use LR754 instead of SR754SW?Yes
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1The short answer2Both ways3Differences4Buy it5Learn more