Ikea refers to several of their zigbee remotes as dimmers. This is the older one that I've had issues with:

https://www.ikea.com/ca/en/p/tradfri-wireless-dimmer-smart-w...

This is the newer one: https://www.ikea.com/ca/en/p/rodret-wireless-dimmer-power-sw...

I have a few SmartThings motion sensors that are at 2-3 years battery life, though they use big lithium cells so that isn't surprising. A few sonoff temp/humidity sensors on coin cells seem to be heading for at least a year battery life as well. So far it's only the Ikea buttons that have issues.