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Home › Batteries › LR44
Button battery

LR44 battery

1What it is2Safety3Other names4Tip5Facts6Buy it7Swaps
  1. 1

    What it is

    LR44+ 1.5V

    LR44 is a button battery, about as wide as a shirt button. It gives 1.5 volts.

    Get LR44 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Something wrong or missing? Tell us

  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.

    AG13A76PX76ALR1154L1154GPA76V13GA1166A
  4. 4

    A tip before you buy

    SR44 is the same size and lasts longer

    It costs a little more but gives steadier power. Worth it for cameras, measuring tools and watches. For toys and laser pointers, LR44 is fine.

    About SR44Compare the two
  5. 5

    Quick facts

    Size
    About as wide as a shirt button
    Thickness
    As thick as 7 credit cards stacked
    Power
    1.5 volts
    Keeps in a drawer for
    About 5 years
    Rechargeable?
    No, use once
    Found in things like
    Laser pointersDigital thermometersToys & calculatorsDigital calipers (SR44 preferred)
  6. 6

    Where to buy it

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

    Our pickThe exact match, 4-packEnergizer LR44 1.5V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerLR44 1.5V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell 76A, the same batteryDuracell 76A / LR44 1.5V Battery
    Check Price on Amazon →

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

  7. 7

    Can I use something else?

    Can I use SR44 instead of LR44?YesCan I use LR44 instead of AG10?NoCan I use AG13 instead of LR44?YesCan I use 675 instead of LR44?No
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See it at real size

LR44 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

LR44Thickness 5.4US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read LR44:

LAlkaline chemistry (1.5V)
RRound button form factor
44Legacy IEC size number, not a dimension. Actual size 11.6 × 5.4 mm

The same battery from each brand

BrandTheir name for it
Official nameLR44
EnergizerA76
Duracell76A
Murata (formerly Sony)LR44
PanasonicLR44
VartaV13GA
MaxellLR44

Exact measurements

Width
11.6 mm (0.457 in)
Thickness
5.4 mm
Voltage
1.5V (empty at 0.9V)
Energy stored
150 mAh
Weight
2 g
Made with
Alkaline
Works between
-10 … 60 °C
Official code
LR44 · ANSI 1166A

Questions people ask

Is LR44 the same as AG13?

Yes. They’re the same battery with different names. You might also see AG13, A76, PX76A, LR1154.

Can I use SR44 instead?

Yes, and it’s even better. Same size, but it lasts longer and gives steadier power.

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.

LR44+ 1.5V
LR44Button battery
Get LR44 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1What it is2Safety3Other names4Tip5Facts6Buy it7Swaps