Quick feature list:
XM-L2 U2 1A/ T3 6A1 / T6 3C LED
AR coated glass lens
Stainless steel bezel
3A+ current capable battery metal carrier
Qlite driver, latest batch is checked to be 3.04A, lots of mode options.
then it will peak at under 2 amps on 3AA, the 105C on XM-L U2 peaked at around 2A on 3 eneloop (the lowest internal resistance cells i know of), and with the higher forward voltage of the XM-L2 you will get even less amps