I bought the Design Craft 60506 10 Light Solar String Set over a year ago for our front steps. I put two on each of the 4 steps and the landing. They were a nice addition and still work fine. They don’t last all night but do last up until about midnight each night except when they weren’t able to charge due to cloud cover.
In summary, we’ve been happy with them and they keep us from always having to have our porch light on due to trip hazard where the steps are (very dark).