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Home › Things › Smart-home sensors › Aqara Door & Window Sensor
Smart-home sensors · 2018–2026

Aqara Door & Window Sensor battery

1The battery you need2Change it3Buy it4Reminder5Other names6Other things
  1. 1

    The battery you need

    →CR1632+ 3V

    It takes one CR1632: a coin battery, a little smaller than a dime.

    Get CR1632 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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  2. 2

    How to change it

    You’ll need: Fingernail or a coin

    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 CR1632 3.0V Battery (4-Pack)
    Check Price on Amazon →
    Best value10-pack, handy to keep in a drawerCR1632 3.0V Battery Value Pack (10-Pack)
    Check Price on Amazon →
    Other brandDuracell DL1632, the same batteryDuracell DL1632 / CR1632 3.0V 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.

    CR1632DL1632ECR16326632
  6. 6

    Other things that use CR1632

    Tile Mate (2022 and later)Takes CR1632›
Show more details (optional)

Questions people ask

What battery does the Aqara Door & Window Sensor take?

It takes CR1632, a coin battery.

Can I use DL1632 instead?

Yes. DL1632, ECR1632, 6632 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 CR1632

Size
A little smaller than a dime
Thickness
As thick as 4 credit cards stacked
Power
3 volts
Keeps in a drawer for
About 10 years
Rechargeable?
No, use once
Found in things like
Toyota & Lexus key fobsAqara door sensorsTile Mate
Everything about CR1632
CR1632+ 3V
Aqara Door & Window Sensor takesCR1632
Get CR1632 on AmazonAs an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1The battery you need2Change it3Buy it4Reminder5Other names6Other things