Works exactly as expected. I could make it myself with 10 feet of wire from my local hardware store for a fifth of the price, but that would mean cutting off the ends of the lightstick wire and losing its waterproofing. It was also a lot easier to use than trying to hide a bunch of cables with pigtails under the car's upholstery. The only thing to consider is that I really didn't need a 10 foot cable, a 5 foot cable would have sufficed, and so on. I lose some energy due to the additional resistance. I haven't noticed any drop in performance with or without this extension, so it's negligible.
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