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Aqara Motion Sensor P1 battery: 2 × CR2450

The Aqara Motion Sensor P1 takes two CR2450 3V lithium coin cells.

CR24503V

CR2450× 23V lithium coin cells

Also sold as DL2450, 5029LC, KECR2450, CR2450N · CR2450 details

Source: Aqara Motion Sensor P1 product page

Varta CR2450 4 pack at Amazon for CR2450 3V lithium coin cell (affiliate link, opens in new tab)Energizer CR2450 at Amazon (affiliate link)

Before you swap it

  • A CR2450 is 5 mm thick. CR2430 looks the same from the front, but it isn't the same cell, and a thinner one can rattle or lose contact.

Quick answers

Which battery goes in the Aqara Motion Sensor P1?

Two CR2450 3V lithium coin cells.

Is DL2450 the same as CR2450?

Yes. DL2450, 5029LC, KECR2450 and CR2450N are all the same cell as CR2450, sold under another name.

Will a CR2430 fit instead of a CR2450?

No. It's the same 24.5 mm width but 3 mm thick, against 5 mm for a CR2450. Use a CR2450.