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Home › Can I swap? › CR2450 vs CR2032
Can I swap?

CR2450 vs CR2032: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    NoNo, they’re different sizesOne is wider than the other, so it won’t fit or won’t touch the contacts properly.
    CR2450+ 3V
    CR2450As thick as 7 credit cards stacked
    CR2032+ 3V
    CR2032As thick as 4 credit cards stacked
    Get CR2450 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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  2. 2

    Both ways round

    Can I put CR2032 where CR2450 goes?No
    Can I put CR2450 where CR2032 goes?No
  3. 3

    What’s different

    CR2450CR2032
    SizeAbout the size of a quarterAbout the size of a nickel
    ThicknessAs thick as 7 credit cards stackedAs thick as 4 credit cards stacked
    Power3 volts3 volts Same
    KindCoin batteryCoin battery

    Lasts longer: CR2450 (about 176% longer)

  4. 4

    Where to buy CR2450

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

    Our pickThe exact match, 4-packEnergizer CR2450 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR2450 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell DL2450, the same batteryDuracell DL2450 / CR2450 3.0V Battery
    Check Price on Amazon →

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

    Get CR2032 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About CR2450About CR2032Check another pair
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Questions people ask

Can I use CR2032 instead of CR2450?

No. One is wider than the other, so it won’t fit or won’t touch the contacts properly.

Can I use CR2450 instead of CR2032?

No. One is wider than the other, so it won’t fit or won’t touch the contacts properly.

Which one lasts longer?

CR2450 (about 176% longer).

All the numbers

CR2450CR2032
Diameter24.5 mm20.0 mm
Height5.0 mm3.2 mm
Nominal voltage3.0V3.0V
Typical capacity620 mAh225 mAh
ChemistryLithium manganese dioxideLithium manganese dioxide
Shelf life10 yrs10 yrs
Operating temp-30 to 60 °C-30 to 60 °C
Can I use CR2032 instead of CR2450?No
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1The short answer2Both ways3Differences4Buy it5Learn more