I got a brinkmann dual xenon spotlight for paint inspection about a week ago. I ordered from Amazon. The first day I got it I charged it for 8 hours like I was supposed to and I tested it out. The light was very powerful and seemed to work fine. So I unplugged it an put it away. The next day I went to use it and it seemed to have lost its charge, it went on dim for about 10 seconds and then died. Today I polished a silver benz and wanted to inspect the paint with the brinkmann which I had let charge for 2 hours prior and it barley had any brightness even with only 1 of the 2 bulbs on. It says the red light on the bottom goes off when its fully charged and when I went to use it today that red light had gone off so I thought it would be ok. Now its on my desk and it has a tiny bit of brightness lasting for a few seconds buts its plugged in and the red charge light is off! Does a brinkmann hold its charge very long normally? And do you think mine is just possibly broken?