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ThermionicScott, I'm not convinced a steady taillight is sufficient for me to be seen. I also use a battery-powered blinky taillight. It needs charging only once a month or so, and that is a lot less burdensome than charging a headlight. I charge it every month or so, but I don't even know how long I can run it without charging it. A decent battery-powered headlight needs charging every two days, and that's cutting it too close for me, so a dynamo-powered headlight is a huge win for me.