![](/static/253f0d9b/assets/icons/icon-96x96.png)
![](https://lemmy.world/pictrs/image/8286e071-7449-4413-a084-1eb5242e2cf4.png)
We use these in our products at work and I’ve never heard about them failing before the equipment is replaced anyways. They are soldered.
I won’t quote life expectancy (MTBF) but we have many customers with 15-20 year old PLC’s with the original capacitor.
Just took over a house last year with smart detectors connected to a homebase, all Li-Ion. Can see the battery percentage in the app. No more December 1st checks for a long time!