Jhhollier my tester only has 1, 2, 5, 10, 15, and 20a drain settings. It's why I went with 15a on the AW 18490. I have ran them to that about that limit (17.7a) on a mechanical set up with no issues. As Baditude said, AW does not put inflated claims on their batts. I've seen them out perform...