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Aqara Door and Window Sensor battery: CR1632

The Aqara Door and Window Sensor takes one CR1632 3V lithium coin cell.

CR16323V

CR1632× 13V lithium coin cell

Also sold as DL1632, ECR1632, KECR1632 · CR1632 details

Source: Aqara Door and Window Sensor spec sheet

Before you swap it

  • CR1620 is the same 16 mm width as a CR1632 but a different thickness, so read the code on the old cell before you order, because a cell that's too thin can lose contact every time it gets knocked.

Quick answers

What battery does the Aqara Door and Window Sensor take?

One CR1632 3V lithium coin cell.

Is DL1632 the same as CR1632?

Yes. DL1632, ECR1632 and KECR1632 are all the same cell as CR1632, sold under another name.

Will a CR1620 fit instead of a CR1632?

No. It's the same 16 mm width but 2 mm thick, against 3.2 mm for a CR1632. Use a CR1632.