I just ordered a lumintop b01 as a backup/helmet light, though I am curious to try it out for full time use. I've decided to ditch the dynamo this year, especially since I signed up for the 84h start at PBP, I hope to do less night riding. I was also gonna pick up an outbound detour to use as a main light, since I'm already carrying a powerbank it might be enough just to use the lumintop, can pick up a few extra 21700 batteries as well.