I haven't seen one, but I'll give you my list of what I use in each Saber Model
Saber Touch Mini: AW IMR 16340 or AW IMR 18350 (I prefer the 18350)
Saber Touch 3.7/6 volt: AW IMR 18650 for 3.7 & AW LiPo4 3.2 volt(blue) for 6volt or AW IMR 18490/500 w/kick for VW
Saber Touch 5volt Regulated: 2x AW IMR 16340 or 2x AW IMR 18350 (I prefer 18350)
Saber Touch VV: 2x AW IMR 16340 or 2xAW IMR 18350(I prefer 18350)
Saber Touch "kicked Edition": AW IMR 18650 w/kick for VW or with Battery extender for 3.7
There are others that will fit, but from my experience, this is what I use and what I would recommend