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Yale Alarm PIR Motion Detector battery: 3 × AAA

The Yale Alarm PIR Motion Detector takes three AAA 1.5V batteries.

AAA

AAA× 31.5V batteries

Also sold as LR03, E92, MN2400 · AAA details

Source: Yale Alarm PIR Motion Detector manual

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Before you swap it

  • Change all three at once. Don't mix old batteries with new ones or one brand with another, since the weakest one in the set drags the others down with it.

Quick answers

What battery does the Yale Alarm PIR Motion Detector take?

Three AAA 1.5V batteries.

Is LR03 the same as AAA?

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