I am fan of the On The Road zoomable flashlights:
i3 - 16340 battery (“REVIEW”: On The Road i3 (2018/2019) - 16340 - Zoomable - 620 Lumens [Pic Heavy] - [***MODDED XPL-HI***])
Z821 - 18650 battery (“REVIEW”: On The Road Z821 - Zoomable – 1x18650 – 940 lumens [Pic Heavy])
i5 - 18650 and USB-C reachargeable (“Unboxing Video + Written Review”: On The Road i5 - Zoomable – 1x18650 – 1100 lumens – USB-C Charging)