I still use my old halogen Marwi. It works great w/ bulletproof metal construction, a rebuildable battery, and a very simple on/off button that does not have all the issues of the more complicated switches.
I wish all lights were made this simply.
I have had the original extreme for a couple of years now and love it. I get 3 to 4 hours burn time out of it. I ride with three guys that have them, nobody has had any problems. You can't leave the starter plugged into the light for an extended time however, it will drain the battery. For instance, you ride Monday night for an hour, if you don't unplug the light from the starter the battery will be dead next time you ride.
It's all the light you will need.
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