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 › Batteries › CR123A
Camera & alarm battery

CR123A battery

1What it is2Other names3Facts4Buy it
  1. 1

    What it is

    CR123A

    CR123A is a camera & alarm battery, short and chunky, about 3.5 cm long. It gives 3 volts.

    Get CR123A on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Something wrong or missing? Tell us

  2. 2

    Names you might see in the store

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

    DL123AEL123AP123CR173455018LC
  3. 3

    Quick facts

    Size
    Short and chunky, about 3.5 cm long
    Power
    3 volts
    Keeps in a drawer for
    About 10 years
    Rechargeable?
    No, use once
    Found in things like
    Arlo camerasTactical flashlightsSmoke alarms
  4. 4

    Where to buy it

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

    Our pickThe exact match, 4-packEnergizer CR123A 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR123A 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell DL123A, the same batteryDuracell DL123A / CR123A 3.0V Battery
    Check Price on Amazon →

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

Show more details (optional)

See it at real size

CR123A next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

CR123AUS quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read CR123A:

CR123AIEC Standard for this cell
CR123APhysical cell: 17.0 × 34.5 mm, 3.0V lithium

The same battery from each brand

BrandTheir name for it
Official nameCR123A
EnergizerEL123AP
DuracellDL123A
PanasonicCR123A

Exact measurements

Width
17.0 mm (0.669 in)
Length
34.5 mm
Voltage
3.0V (empty at 2.0V)
Energy stored
1500 mAh
Weight
17 g
Made with
Lithium manganese dioxide
Works between
-40 … 60 °C
Official code
CR123A

Questions people ask

Is CR123A the same as DL123A?

Yes. They’re the same battery with different names. You might also see DL123A, EL123AP, 123, CR17345.

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.

CR123A
CR123ACamera & alarm battery
Get CR123A on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1What it is2Other names3Facts4Buy it