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Home › Batteries › CR2016
Coin battery

CR2016 battery

1What it is2Safety3Other names4Facts5Buy it6Things7Swaps
  1. 1

    What it is

    CR2016+ 3V

    CR2016 is a coin battery, about the size of a nickel. It gives 3 volts.

    Get CR2016 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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  2. 2

    Safety first

    Keep away from children and pets

    A swallowed coin or button battery can cause serious burns inside the body within 2 hours. If you think one was swallowed, get emergency help right away.

    Swallowed one? What to do now →

    Bitter-coated packs

    Some child-safe packs have a bitter coating. It’s harmless, but in AirTags and some heart-rate straps it can stop the battery working. Pick an uncoated pack for those.

  3. 3

    Names you might see in the store

    All of these are the same battery. Any of them will work.

    DL2016ECR20165000LC6016
  4. 4

    Quick facts

    Size
    About the size of a nickel
    Thickness
    As thick as 2 credit cards stacked
    Power
    3 volts
    Keeps in a drawer for
    About 10 years
    Rechargeable?
    No, use once
    Found in things like
    Casio digital watchesSlim key fobsSmall remotes
  5. 5

    Where to buy it

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

    Our pickThe exact match, 4-packEnergizer CR2016 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR2016 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell DL2016, the same batteryDuracell DL2016 / CR2016 3.0V Battery
    Check Price on Amazon →

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

  6. 6

    Things that use CR2016

    Casio F-91WTakes CR2016›Casio G-Shock DW-5600ETakes CR2016›
  7. 7

    Can I use something else?

    Can I use CR2016 instead of CR2032?In a pinchCan I use CR2016 instead of CR2025?In a pinch
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See it at real size

CR2016 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

CR2016Thickness 1.6US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read CR2016:

CLithium manganese dioxide chemistry (3.0V)
RRound coin / button form factor
20≈ 20 mm diameter (exact 20.0 mm, 0.787 in)
161.6 mm thickness (exact 1.6 mm, 0.063 in)

The same battery from each brand

BrandTheir name for it
Official nameCR2016
EnergizerECR2016
DuracellDL2016
Murata (formerly Sony)CR2016
Renata (Swiss)CR2016
PanasonicCR-2016
Varta6016
MaxellCR2016

Exact measurements

Width
20.0 mm (0.787 in)
Thickness
1.6 mm
Voltage
3.0V (empty at 2.0V)
Energy stored
90 mAh
Weight
1.7 g
Made with
Lithium manganese dioxide
Works between
-30 … 60 °C
Official code
CR2016 · ANSI 5000LC

Questions people ask

Is CR2016 the same as DL2016?

Yes. They’re the same battery with different names. You might also see DL2016, ECR2016, 5000LC, 6016.

How long will a spare keep in a drawer?

About 10 years if it stays cool and dry.

Can I recharge it?

No. Never try to recharge it.

Which way up does it go?

Usually with the side marked “+” facing you or facing up. Look at how the old one sits before you take it out.

CR2016+ 3V
CR2016Coin battery
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Something wrong or missing? Tell us

1What it is2Safety3Other names4Facts5Buy it6Things7Swaps