After four Bontrager failures, switching to Fenix for my bike headlight

After my fourth Bontrager bike headlight died too soon, I've made the switch to Fenix. While it's too early to have personal experience with the durability of Fenix, I'm really happy with the switch, and I wish I had done it sooner—it's clear that Fenix stands behind their products in a way that Bontrager/Trek does not. Bontrager problems My first Bontrager headlight was a gift, so I don't have a…