You’re not going to believe this one. Lumintop SD75 for $46.62 at Gearbest. You can also use GB points to further reduce price.
Gearbest Lumintop SD75: https://www.gearbest.com/led-flashlights/pp_009385551700.html?wid=1433363#goodsDetail
Discussion thread: The BLF Deal Alert DISCUSSION Thread
Lumintop SD75 review: Lumintop SD75 review