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Home › Can I swap? › CR1220 vs ECR1220
Can I swap?

CR1220 vs ECR1220: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    YesYes, they’re the same batteryCR1220 and ECR1220 are two names for the exact same battery. Use either one.
    CR1220+ 3V
    CR1220As thick as 3 credit cards stacked
    CR1220+ 3V
    ECR1220As thick as 3 credit cards stacked
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  2. 2

    Both ways round

    Can I put ECR1220 where CR1220 goes?Yes
    Can I put CR1220 where ECR1220 goes?Yes
  3. 3

    What’s different

    CR1220ECR1220
    SizeAbout as wide as a shirt buttonAbout as wide as a shirt button Same
    ThicknessAs thick as 3 credit cards stackedAs thick as 3 credit cards stacked Same
    Power3 volts3 volts Same
    KindCoin batteryCoin battery

    Lasts longer: Same

  4. 4

    Where to buy CR1220

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

    Our pickThe exact match, 4-packEnergizer CR1220 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR1220 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell DL1220, the same batteryDuracell DL1220 / CR1220 3.0V Battery
    Check Price on Amazon →

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

    Get ECR1220 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About CR1220About ECR1220Check another pair
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Questions people ask

Can I use ECR1220 instead of CR1220?

Yes. CR1220 and ECR1220 are two names for the exact same battery. Use either one.

Can I use CR1220 instead of ECR1220?

Yes. CR1220 and ECR1220 are two names for the exact same battery. Use either one.

Which one lasts longer?

They last about the same.

All the numbers

CR1220ECR1220
Diameter12.5 mm12.5 mm
Height2.0 mm2.0 mm
Nominal voltage3.0V3.0V
Typical capacity38 mAh38 mAh
ChemistryLithium manganese dioxideLithium manganese dioxide
Shelf life10 yrs10 yrs
Operating temp-30 to 60 °C-30 to 60 °C
Can I use ECR1220 instead of CR1220?Yes
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1The short answer2Both ways3Differences4Buy it5Learn more