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Home › Can I swap? › CR1225 vs BR1225A
Can I swap?

CR1225 vs BR1225A: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    UsuallyUsually, but check your deviceSame size and power, made a little differently. The BR type copes with heat better (think tyre sensors) but gives less power, so it suits low-power things.
    CR1225+ 3V
    CR1225As thick as 3 credit cards stacked
    BR1225A+ 3V
    BR1225AAs thick as 3 credit cards stacked
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  2. 2

    Both ways round

    Can I put BR1225A where CR1225 goes?Usually
    Can I put CR1225 where BR1225A goes?Usually
  3. 3

    What’s different

    CR1225BR1225A
    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 CR1225

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer CR1225
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    Amazon searchMulti-packs from any brandSearch Amazon for CR1225 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell CR1225
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    Search Amazon for BR1225AAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About CR1225About BR1225ACheck another pair
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Questions people ask

Can I use BR1225A instead of CR1225?

Usually. Same size and power, made a little differently. The BR type copes with heat better (think tyre sensors) but gives less power, so it suits low-power things.

Can I use CR1225 instead of BR1225A?

Usually. Same size and power, made a little differently. The BR type copes with heat better (think tyre sensors) but gives less power, so it suits low-power things.

Which one lasts longer?

They last about the same.

All the numbers

CR1225BR1225A
Diameter12.5 mm12.5 mm
Height2.5 mm2.5 mm
Nominal voltage3.0V3.0V
Typical capacity48 mAh48 mAh
ChemistryLithium manganese dioxideLithium carbon monofluoride
Shelf life10 yrs10 yrs
Operating temp-30 to 60 °C-40 to 125 °C
Can I use BR1225A instead of CR1225?Usually
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1The short answer2Both ways3Differences4Buy it5Learn more