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Home › Can I swap? › AA vs R6
Can I swap?

AA vs R6: 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.
    AA
    AAThe same size as an AA
    R6
    R6The same size as an AA
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  2. 2

    Both ways round

    Can I put R6 where AA goes?Usually
    Can I put AA where R6 goes?Usually
  3. 3

    What’s different

    AAR6
    SizeThe same size as an AAThe same size as an AA Same
    LengthThe same size as an AAThe same size as an AA Same
    Power1.5 volts1.5 volts Same
    KindEveryday AA batteryRegular battery

    Lasts longer: AA (about 145% longer)

  4. 4

    Where to buy AA

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer E91
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    Amazon searchMulti-packs from any brandSearch Amazon for AA multi-packs
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    Amazon searchDuracell MN1500 listings, the same batterySearch Amazon for Duracell MN1500
    See results on Amazon →

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  5. 5

    Learn more

    About AAAbout R6Check another pair
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Questions people ask

Can I use R6 instead of AA?

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

Can I use AA instead of R6?

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

Which one lasts longer?

AA (about 145% longer).

All the numbers

AAR6
Diameter14.5 mm14.5 mm
Height50.5 mm50.5 mm
Nominal voltage1.5V1.5V
Typical capacity2700 mAh1100 mAh
ChemistryAlkalineCarbon-zinc
Shelf life10 yrs5 yrs
Operating temp-18 to 55 °C-10 to 60 °C
Can I use R6 instead of AA?Usually
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1The short answer2Both ways3Differences4Buy it5Learn more