Well… At least we know that they had set 2.7v as their lower limit and that they did something when the limit is reached.
We also know, from the previous cases (including this one), that they do not pay attention to parasitic drain numbers.
a) TS10 aux led is set to high on default. It draws up to 13mA.
b) TS25 aux led draws up to 26mA. There is no option to reduce the output other than to turn it off.
c) TS21 button led draws 13.5mA on high. ( Wurkkos TS21 tear down , Wurkkos TS21 with Nichia 219c 5000k - perfect "daylight neutral tint"? Impression & comparison w/ other high CRI LED's )
I understand this TS25 was a pre-production unit. However, they were confident enough to to sell it and ask $40 for it. Also, the high parasitic drain issue is not limited to this pre-production unit. The high parasitic drain numbers of TS10 or TS21 are from production units.
For this reason, I will make sure to check the parasitic drain numbers before I make another purchase from Wurkkos.