I reviewed it some time ago (it was my first review actually), it is not completely new/now!
It is a good looking light, but I think the one from Enogear was more appealing.
The Amutorch S3 comes with XPG3, has 3 modes, has whining with Li-Ion cells on Low and Medium, has a thin aluminum pill, narrow TIR optic!
Here are the review threads:
"Review": Amutorch Stainless Steel XPG3-S3 AA flashlight [Modded TIR Lenses]
Comparison: Stainless Steel AA Flashlight – Amutorch XPG3-S3 vs “Neal’s” Nichia 219C (comparison with the same light with Nichia 219C sent by Neal)
Here it is alongside with other AA lights:
