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SIGMA SPORT BC 12.0 WR bike computer battery: CR2450

The SIGMA SPORT BC 12.0 WR bike computer takes one CR2450 3V lithium coin cell.

CR24503V

CR2450× 13V lithium coin cell

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

Source: SIGMA SPORT BC 12.0 WR 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 SIGMA SPORT BC 12.0 WR?

One CR2450 3V lithium coin cell.

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.