Of all these there are probably half a dozen devices that are free of defects. This site does nothing to help me filter out the rest. For me, the way I approach

Of all these there are probably half a dozen devices that are free of defects. This site does nothing to help me filter out the rest. For me, the way I approach this is I just find an Anker-made thing that most closely matches what I need and buy it. It might cost a few bucks more, but it works.