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Home › Can I swap? › 18650 vs INR18650
Can I swap?

18650 vs INR18650: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    YesYes, they’re the same battery18650 and INR18650 are two names for the exact same battery. Use either one.
    18650
    18650A bit bigger than an AA
    18650
    INR18650A bit bigger than an AA
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  2. 2

    Both ways round

    Can I put INR18650 where 18650 goes?Yes
    Can I put 18650 where INR18650 goes?Yes
  3. 3

    What’s different

    18650INR18650
    SizeA bit bigger than an AAA bit bigger than an AA Same
    LengthA bit bigger than an AAA bit bigger than an AA Same
    Power3.6 volts3.6 volts Same
    KindRechargeable flashlight batteryRechargeable flashlight battery

    Lasts longer: Same

  4. 4

    Where to buy 18650

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

    Our pickThe exact match, 4-packEnergizer 18650 3.6V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawer18650 3.6V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell, the same batteryDuracell 18650 / 18650 3.6V Battery
    Check Price on Amazon →

    Buttons open amazon.com 🇺🇸, picked from your country.

    Get INR18650 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About 18650About INR18650Check another pair
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Questions people ask

Can I use INR18650 instead of 18650?

Yes. 18650 and INR18650 are two names for the exact same battery. Use either one.

Can I use 18650 instead of INR18650?

Yes. 18650 and INR18650 are two names for the exact same battery. Use either one.

Which one lasts longer?

They last about the same.

All the numbers

18650INR18650
Diameter18.0 mm18.0 mm
Height65.0 mm65.0 mm
Nominal voltage3.6V3.6V
Typical capacity3000 mAh3000 mAh
ChemistryLithium-ion rechargeableLithium-ion rechargeable
Shelf life3 yrs3 yrs
Operating temp-20 to 60 °C-20 to 60 °C
Can I use INR18650 instead of 18650?Yes
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1The short answer2Both ways3Differences4Buy it5Learn more