
The first batch is still alive (about 2 years) The second batch: 1) one of the 12 drivers was defective, flickers when dimming 2) the seller quickly replaced it, there are no problems. Didn't help 3) another replacement was also very quick and didn't work either. 4) Since I ordered more than I originally needed, I just didn't bother swapping out drivers. 5) After a month one of the installed drivers crashed. 6) Today I finally took apart the 2 replacement drivers I received - they work but the polarity is wrong. At least in my case, if the driver has a bare ground wire riveted to the box, its output polarity is wrong. Last but not least - no matter how good the drivers are at first, they will fail. This will not happen if the attic is comfortable. If you're willing to replace the driver farthest from the attic entrance when it's around 125F, do it.

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