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Home › Can I swap? › 14500 vs 14650
Can I swap?

14500 vs 14650: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    No14500 can stand in for 14650, but not the other way roundThey’re the same width and power, but 14500 is thinner. It may wobble a little and runs out about 27% sooner. 14650 is too thick to fit where 14500 goes.
    14500
    14500The same size as an AA
    14650
    14650A bit bigger than an AA
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  2. 2

    Both ways round

    Can I put 14650 where 14500 goes?No
    Can I put 14500 where 14650 goes?In a pinch
  3. 3

    What’s different

    1450014650
    SizeThe same size as an AAA bit bigger than an AA Same
    LengthThe same size as an AAA bit bigger than an AA
    Power3.7 volts3.7 volts Same
    KindRechargeable flashlight batteryRechargeable flashlight battery

    Lasts longer: 14650 (about 38% longer)

  4. 4

    Where to buy 14500

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 14500
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    Amazon searchMulti-packs from any brandSearch Amazon for 14500 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 14500
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    Search Amazon for 14650As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About 14500About 14650Check another pair
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Questions people ask

Can I use 14650 instead of 14500?

No. They’re the same width and power, but 14500 is thinner. It may wobble a little and runs out about 27% sooner. 14650 is too thick to fit where 14500 goes.

Can I use 14500 instead of 14650?

In a pinch. They’re the same width and power, but 14500 is thinner. It may wobble a little and runs out about 27% sooner. 14650 is too thick to fit where 14500 goes.

Which one lasts longer?

14650 (about 38% longer).

All the numbers

1450014650
Diameter14.0 mm14.0 mm
Height50.0 mm65.0 mm
Nominal voltage3.7V3.7V
Typical capacity800 mAh1100 mAh
ChemistryLithium-ion rechargeableLithium-ion rechargeable
Shelf life3 yrs3 yrs
Operating temp-20 to 60 °C-20 to 60 °C
Can I use 14650 instead of 14500?No
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1The short answer2Both ways3Differences4Buy it5Learn more