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Home › Can I swap? › 26500 vs 26700
Can I swap?

26500 vs 26700: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    NoNo, don’t swap theseThey give different amounts of power (3.7 volts vs 3.2 volts). The wrong one can damage your device or simply won’t work.
    26500
    26500As long as an AA, but much fatter
    26700
    26700Much bigger than an AA
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  2. 2

    Both ways round

    Can I put 26700 where 26500 goes?No
    Can I put 26500 where 26700 goes?No
  3. 3

    What’s different

    2650026700
    SizeAs long as an AA, but much fatterMuch bigger than an AA Same
    LengthAs long as an AA, but much fatterMuch bigger than an AA
    Power3.7 volts3.2 volts
    KindRechargeable flashlight batteryRechargeable flashlight battery

    Lasts longer: 26700 (about 92% longer)

  4. 4

    Where to buy 26500

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 26500
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    Amazon searchMulti-packs from any brandSearch Amazon for 26500 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 26500
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    Search Amazon for 26700As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About 26500About 26700Check another pair
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Questions people ask

Can I use 26700 instead of 26500?

No. They give different amounts of power (3.7 volts vs 3.2 volts). The wrong one can damage your device or simply won’t work.

Can I use 26500 instead of 26700?

No. They give different amounts of power (3.7 volts vs 3.2 volts). The wrong one can damage your device or simply won’t work.

Which one lasts longer?

26700 (about 92% longer).

All the numbers

2650026700
Diameter26.0 mm26.0 mm
Height50.0 mm70.0 mm
Nominal voltage3.7V3.2V
Typical capacity2600 mAh5000 mAh
ChemistryLithium-ion rechargeableLithium-ion rechargeable
Shelf life3 yrs3 yrs
Operating temp-20 to 60 °C-20 to 60 °C
Can I use 26700 instead of 26500?No
Search Amazon for 26500As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1The short answer2Both ways3Differences4Buy it5Learn more