I got mine from Amazon a couple days ago. Put it to first use today.
Liked it. Haven't timed it yet but it's "fast enough" in that I'm not running outta batteries even with continuous use (I have 6 batteries and can stay in the air with this charger continuously).
Form factor is nice, volumetrically, I doubt it's much more volume than the stock AC brick and charging station for the 4 batteries that only does one at a time that comes with the Fly More Combo.
We'll see on how I continue to like it in terms of time or if it fries batteries (which given the batteries actually do the charge logic/control I doubt but is always possible if it really loses its mind on output, I guess, but...), but all seems well so far. But it’s DEFINITELY 3rd party Chinese fit and finish/design (the first party DJI stuff is obviously also Chinese, but first-party producers definitely have a much higher level of materials, quality, fit/finish standard, not to say this isn't good, but it's not first-party DJI fit and finish by any means).
PS - The pic has two batteries without LEDs lit, it's just shot timing, they were all four simultaneously charging...