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Home › Batteries › SR712
Watch battery

SR712 is the same as SR712SW

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    SR712SW+ 1.55V

    SR712 is just another name for SR712SW. Same battery, different label, so you can buy either one.

    Search Amazon for SR712As 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 →
  3. 3

    Names you might see in the store

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

    SR712SW346V346
  4. 4

    Quick facts

    Size
    About as wide as a pea
    Thickness
    As thick as 2 credit cards stacked
    Power
    1.55 volts
    Keeps in a drawer for
    About 5 years
    Rechargeable?
    No, use once
    Found in things like
    Slim analog watchesPrecision instruments
  5. 5

    Where to buy it

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 346
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for SR712 (SR712SW) multi-packs
    See results on Amazon →
    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell SR712SW
    See results on Amazon →

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

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See it at real size

SR712SW next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

SR712SWThickness 1.3US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read SR712:

SSilver oxide chemistry (1.55V)
RRound coin / button form factor
7≈ 7 mm diameter (exact 7.9 mm, 0.311 in)
121.2 mm thickness (exact 1.3 mm, 0.049 in)

The same battery from each brand

BrandTheir name for it
Official nameSR712SW
Energizer346
Renata (Swiss)346
VartaV346
MaxellSR712SW

Exact measurements

Width
7.9 mm (0.311 in)
Thickness
1.3 mm
Voltage
1.55V (empty at 1.2V)
Energy stored
9.5 mAh
Weight
—
Made with
Silver oxide
Works between
-10 … 60 °C
Official code
SR712SW

Questions people ask

Is SR712 the same as SR712SW?

Yes. They’re the same battery with different names. You might also see SR712SW, 346, V346.

How long will a spare keep in a drawer?

About 5 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.

SR712SW+ 1.55V
SR712SWWatch battery
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1What it is2Safety3Other names4Facts5Buy it