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tado° Wireless Temperature Sensor battery: 3 × AAA

The tado° Wireless Temperature Sensor takes three AAA 1.5V batteries.

AAA

AAA× 31.5V batteries

Also sold as LR03, E92, MN2400 · AAA details

Source: tado° Wireless Temperature Sensor support page

Varta Longlife Power AAA 8 pack at Amazon for AAA 1.5V alkaline battery (affiliate link, opens in new tab)Energizer Max AAA at Amazon (affiliate link)

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 tado° Wireless Temperature Sensor 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.