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Home › Can I swap? › LR44 vs MR44
Can I swap?

LR44 vs MR44: 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. Fine for most everyday things.
    LR44+ 1.5V
    LR44As thick as 7 credit cards stacked
    MR44+ 1.4V
    MR44As thick as 7 credit cards stacked
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  2. 2

    Both ways round

    Can I put MR44 where LR44 goes?Usually
    Can I put LR44 where MR44 goes?Usually
  3. 3

    What’s different

    LR44MR44
    SizeAbout as wide as a shirt buttonAbout as wide as a shirt button Same
    ThicknessAs thick as 7 credit cards stackedAs thick as 7 credit cards stacked Same
    Power1.5 volts1.4 volts
    KindButton batteryButton battery

    Lasts longer: MR44 (about 63% longer)

  4. 4

    Where to buy LR44

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer A76
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for LR44 multi-packs
    See results on Amazon →
    Amazon searchDuracell 76A listings, the same batterySearch Amazon for Duracell 76A
    See results on Amazon →

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    Search Amazon for MR44As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About LR44About MR44Check another pair
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Questions people ask

Can I use MR44 instead of LR44?

Usually. Same size and power, made a little differently. Fine for most everyday things.

Can I use LR44 instead of MR44?

Usually. Same size and power, made a little differently. Fine for most everyday things.

Which one lasts longer?

MR44 (about 63% longer).

All the numbers

LR44MR44
Diameter11.6 mm11.6 mm
Height5.4 mm5.4 mm
Nominal voltage1.5V1.4V
Typical capacity150 mAh245 mAh
ChemistryAlkalineMercury oxide
Shelf life5 yrs5 yrs
Operating temp-10 to 60 °C-10 to 60 °C
Can I use MR44 instead of LR44?Usually
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1The short answer2Both ways3Differences4Buy it5Learn more