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Home › Things › Remotes & garage openers › Garage Door & Gate Remotes (A23)
Remotes & garage openers

Garage Door & Gate Remotes (A23) battery

1The battery you need2Change it3Buy it4Reminder5Other names
  1. 1

    The battery you need

    →A23

    It takes one A23: a 12-volt remote battery, short and skinny, about 2.9 cm long.

    Get A23 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Something wrong or missing? Tell us

  2. 2

    How to change it

    You’ll need: Small Phillips screwdriver

    1. Open the battery door

      Slide or unscrew the little battery door.

    2. Swap the battery

      Take out the old one and put the new one in matching the “+” mark.

    3. Close and test

      Close the door and switch it on.

  3. 3

    Where to buy it

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

    Our pickThe exact match, 4-packEnergizer A23 12V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerA23 12V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell MN21, the same batteryDuracell MN21 / A23 12V Battery
    Check Price on Amazon →

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

  4. 4

    Remind me to change it

    A new battery usually lasts about 2 years in this device.

    That’s around October 2028.

    Add to my calendar
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    No email needed.

    We only use your email for this reminder. Privacy policy

  5. 5

    Also sold as

    Any of these names is the same battery.

    A238LR93223AMN21V23GALRV08
Show more details (optional)

Questions people ask

What battery does the Garage Door & Gate Remotes (A23) take?

It takes A23, a 12-volt remote battery.

Can I use 8LR932 instead?

Yes. 8LR932, 23A, MN21 are the same battery with other names.

How long will the new battery last?

Usually about 2 years, depending on how much you use it. Most devices warn you when it gets low.

About the A23

Size
Short and skinny, about 2.9 cm long
Power
12 volts
Keeps in a drawer for
About 5 years
Rechargeable?
No, use once
Found in things like
Garage door remotesCar alarmsWireless doorbells
Everything about A23
A23
Garage Door & Gate Remotes (A23) takesA23
Get A23 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The battery you need2Change it3Buy it4Reminder5Other names