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Home › Can I swap? › SR43 vs D386
Can I swap?

SR43 vs D386: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    YesYes, they’re the same batterySR43 and D386 are two names for the exact same battery. Use either one.
    SR43+ 1.55V
    SR43As thick as 6 credit cards stacked
    SR43+ 1.55V
    D386As thick as 6 credit cards stacked
    Get SR43 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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  2. 2

    Both ways round

    Can I put D386 where SR43 goes?Yes
    Can I put SR43 where D386 goes?Yes
  3. 3

    What’s different

    SR43D386
    SizeAbout as wide as a shirt buttonAbout as wide as a shirt button Same
    ThicknessAs thick as 6 credit cards stackedAs thick as 6 credit cards stacked Same
    Power1.55 volts1.55 volts Same
    KindWatch batteryWatch battery

    Lasts longer: Same

  4. 4

    Where to buy SR43

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

    Our pickThe exact match, 4-packEnergizer SR43 1.55V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerSR43 1.55V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell D386, the same batteryDuracell D386 / SR43 1.55V Battery
    Check Price on Amazon →

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

    Get D386 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About SR43About D386Check another pair
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Questions people ask

Can I use D386 instead of SR43?

Yes. SR43 and D386 are two names for the exact same battery. Use either one.

Can I use SR43 instead of D386?

Yes. SR43 and D386 are two names for the exact same battery. Use either one.

Which one lasts longer?

They last about the same.

All the numbers

SR43D386
Diameter11.6 mm11.6 mm
Height4.2 mm4.2 mm
Nominal voltage1.55V1.55V
Typical capacity120 mAh120 mAh
ChemistrySilver oxideSilver oxide
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use D386 instead of SR43?Yes
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1The short answer2Both ways3Differences4Buy it5Learn more