Samsung | 40T INR21700 4000mAh - 35A
This cell outperforms every 18650 and 20700 in regulated devices at up to about 20A-25A (60W-75W). Only the Samsung 30T hits harder for 21700’s. In my opinion though it is not a 35A battery, as rated in the datasheet.
Source code: https://www.e-cigarette-forum.com/threads/bench-re-retest-results-samsung-40t-35a-4000mah-21700-amazing-performer-but-25a-35a.873677/