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IKEA MYGGBETT door/window sensor battery: AAA

The IKEA MYGGBETT door/window sensor takes one AAA 1.5V battery.

AAA

AAA× 11.5V battery

Also sold as LR03, E92, MN2400 · AAA details

Source: IKEA MYGGBETT door/window sensor product page

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Before you swap it

    Quick answers

    What battery does the IKEA MYGGBETT door/window sensor take?

    One AAA 1.5V battery.

    Is LR03 the same as AAA?

    Yes. LR03, E92 and MN2400 are all the same cell as AAA, sold under another name.