I purchased a 5 watt a few years ago from an online store. The day I received it I charged it and turned it on. It worked for about 5 seconds and cut off. Went round and round with them and pay pal but lost the battle. Not sure of problem but if anyone knows somewhere I can send it or what diode may be used in it so I can attempt the repair. That's if I can figure out how the have the diode installed. Any help would be greatly appreciated. It's a lot of money sitting waisted. Just want it fixed.