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tado° Smart Thermostat battery: 3 × AAA

The tado° Smart Thermostat takes three AAA 1.5V batteries.

AAA

AAA× 31.5V batteries

Also sold as LR03, E92, MN2400 · AAA details

Source: tado° Smart Thermostat 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

  • Swap the whole set together. A half-flat battery left in with fresh ones drags the lot down.

Quick answers

Which battery goes in the tado° Smart Thermostat?

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.