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Home › Batteries › CR1225
Coin battery

CR1225 battery

1What it is2Safety3Other names4Facts5Buy it6Swaps
  1. 1

    What it is

    CR1225+ 3V

    CR1225 is a coin battery, about as wide as a shirt button. It gives 3 volts.

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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 →
  3. 3

    Names you might see in the store

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

  4. 4

    Quick facts

    Size
    About as wide as a shirt button
    Thickness
    As thick as 3 credit cards stacked
    Power
    3 volts
    Keeps in a drawer for
    About 10 years
    Rechargeable?
    No, use once
    Found in things like
    WatchesTire gauges
  5. 5

    Where to buy it

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

    Our pickThe exact match, 4-packEnergizer CR1225 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR1225 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell, the same batteryDuracell CR1225 / CR1225 3.0V Battery
    Check Price on Amazon →

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

  6. 6

    Can I use something else?

    Can I use CR1225 instead of CR1220?No
Show more details (optional)

See it at real size

CR1225 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

CR1225Thickness 2.5US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read CR1225:

CLithium manganese dioxide chemistry (3.0V)
RRound coin / button form factor
12≈ 12 mm diameter (exact 12.5 mm, 0.492 in)
252.5 mm thickness (exact 2.5 mm, 0.098 in)

The same battery from each brand

BrandTheir name for it
Official nameCR1225
Renata (Swiss)CR1225
PanasonicCR-1225

Exact measurements

Width
12.5 mm (0.492 in)
Thickness
2.5 mm
Voltage
3.0V (empty at 2.0V)
Energy stored
48 mAh
Weight
—
Made with
Lithium manganese dioxide
Works between
-30 … 60 °C
Official code
CR1225

Questions people ask

Is CR1225 the same as CR1225?

Yes. They’re the same battery with different names.

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.

CR1225+ 3V
CR1225Coin battery
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1What it is2Safety3Other names4Facts5Buy it6Swaps