Today my Varia gave me a low battery warning and then switched off completely after about 5 1/4 hours.
There was quite a lot of traffic activity – I suppose that this has an effect on battery life because apart from anything else, the lights are doing a lot more than if it was a quiet day. However, I was a bit disappointed as I had expected that the battery life would go to 7 hours or so.
Maybe my expectations are unreasonably high but anyway I'm just letting people know about the kind of battery life they might expect in real life because I'm not sure that this has been spoken about much on this forum.
By the way, I think that the Varia is great. It would be nice if one could introduce a power saving measure such as only having two flashing lights when there's no traffic round instead of four. This would reduce battery consumption. If the Varia doesn't detect traffic then I don't really understand why it needs four lights. It seems a bit unnecessary to me.