What battery does a Casio W-800H take?

1 × CR2025 battery

The Casio W-800H uses a CR2025 battery (module 3198). It has a 10-year battery life — this is only possible with CR2025, not the thinner CR2016. CR2025 is thinner than CR2032 and they are not interchangeable.

If your Casio W-800H has stopped working or is unresponsive, replacing the battery will usually fix it. CR2025 battery is available from any supermarket, newsagent or online.

Also known as: DL2025, BR2025, 2025