looking for budget 18650 with USB charger integrated in light $20-40 range

There was an O-light S15R deal @ $23 that I was very close to partaking in with GearBest, but it either fell through or ended or was sabotaged by O-light. It is a AA/14500 unit though.

The Manker Rambler mentioned above has a review here:

And, since I have a hard time finding Kronologicals review of the X6R EVERY time I look for it: