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Tanita BC-401 bathroom scale battery: 4 × AAA

The Tanita BC-401 bathroom scale takes four AAA 1.5V batteries.

AAA

AAA× 41.5V batteries

Also sold as LR03, E92, MN2400 · AAA details

Source: Tanita BC-401 manual

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Before you swap it

  • Change all four 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 Tanita BC-401 take?

Four 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.