This is a T50 review thread, the one that's costing about $18 min now? Ok. We all know what the Samsung letters mean. Value means low performance, and that's fine, but that's what it means for now.
I own 50E's, 50G's, and a whole lot more, about 40 21700 cells. There's nothing wrong with owning or buying 50E's, or Lishen's for $5, if it's ok with you, but appreciate the differences. Here's some tests I did a while back:
Can't explain the 3T vs 40T #'s, but it is what it is, at the time. May be from Feb 2019 or earlier.