I have mostly Moon branded lights other than a bikehut one and a Brite-R one. The Moon feel the most robust and I commute a number of days a week with them in all weathers.
On my commuter bike I have 2 front lights – a Moon Vortex and a Moon Meteor x Auto. If I had to just have one it would be e Vortex as it has a steady on setting with a brighter flash through it. The other one is either flashing or solid. I tend to commute with the Vortex on that pulse setting and the Meteor on a solid but not highest power setting. Maybe charge once a week or once every other week depending on the length of the route I take / how many times I commute.
Both have solid mounts that work on 35mm bars or road bars and just have a firm rubber fitting (no bolts). You can also leave the mount on and slide the light off the top if you want to take it with you.
Think the Meter is sub £20 and the Vortex is sub £30. They do make a cheaper again Meteor for sub £15 but I’ve not tried that one.
The Vortex does also have a max power of 600 lumens and the Meteor 400 lumens but apart from an unlit bit of tow path and the Bristol / Bath cycle path in the unlit bits I haven’t needed that sort of power for commuting.
Both lights are usb cable rechargeable.