KnowYourBatteries
KnowYourBatteries
Find by thingFind by batteryCan I swap?Measure itGuidesAbout usContact usSwallowed a battery?
Privacy policyTerms of useAffiliate disclosureCookie settings
EnglishEspañolFrançaisDeutsch

As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases. Battery facts come from the makers’ datasheets.

HomeFind by thingFind by batteryCan I swap?Measure it
Home › Can I swap? › BR2016 vs BR2020
Can I swap?

BR2016 vs BR2020: can you swap them?

1The short answer2Both ways3Differences4Buy it5Learn more
  1. 1

    The short answer

    NoBR2016 can stand in for BR2020, but not the other way roundThey’re the same width and power, but BR2016 is thinner. It may wobble a little and runs out about 25% sooner. BR2020 is too thick to fit where BR2016 goes.
    BR2016+ 3V
    BR2016As thick as 2 credit cards stacked
    BR2020+ 3V
    BR2020As thick as 3 credit cards stacked
    Search Amazon for BR2016As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Something wrong or missing? Tell us

  2. 2

    Both ways round

    Can I put BR2020 where BR2016 goes?No
    Can I put BR2016 where BR2020 goes?In a pinch
  3. 3

    What’s different

    BR2016BR2020
    SizeAbout the size of a nickelAbout the size of a nickel Same
    ThicknessAs thick as 2 credit cards stackedAs thick as 3 credit cards stacked
    Power3 volts3 volts Same
    KindCoin batteryCoin battery

    Lasts longer: BR2020 (about 33% longer)

  4. 4

    Where to buy BR2016

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer BR2016
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for BR2016 multi-packs
    See results on Amazon →
    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell BR2016
    See results on Amazon →

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

    Search Amazon for BR2020As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
  5. 5

    Learn more

    About BR2016About BR2020Check another pair
Show more details (optional)

Questions people ask

Can I use BR2020 instead of BR2016?

No. They’re the same width and power, but BR2016 is thinner. It may wobble a little and runs out about 25% sooner. BR2020 is too thick to fit where BR2016 goes.

Can I use BR2016 instead of BR2020?

In a pinch. They’re the same width and power, but BR2016 is thinner. It may wobble a little and runs out about 25% sooner. BR2020 is too thick to fit where BR2016 goes.

Which one lasts longer?

BR2020 (about 33% longer).

All the numbers

BR2016BR2020
Diameter20.0 mm20.0 mm
Height1.6 mm2.0 mm
Nominal voltage3.0V3.0V
Typical capacity75 mAh100 mAh
ChemistryLithium carbon monofluorideLithium carbon monofluoride
Shelf life10 yrs10 yrs
Operating temp-30 to 85 °C-30 to 85 °C
Can I use BR2020 instead of BR2016?No
Search Amazon for BR2016As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The short answer2Both ways3Differences4Buy it5Learn more