CR123A vs 18650: Which Battery To Choose? — TakLite Flashlights
Nitefox MC1 Magnetic Headlamp Flashlight Magnetic USB Rechargeable 2000 Lumens High Bright Waterproof Outdoor Headlamp for Hiking,Hunting,Fishing,Camping (MC1 for 18350 CR123) - Amazon.com
CR123A and rechargeable substitutes
Everyone knows that the D4V2 will run on 18650, 18500, and 18350. It will also run on 16340 (RCR123A) and, in a pinch, a CR123A without any type of spacer. : r/flashlight
Amazon.com: Thyrm CellVault-18 Rechargeable Battery Storage (Black), Waterproof, for 18650, 18350, CR123 Flashlight Batteries, Made in USA : Electronics
1 2 Slots Plastic Battery Case For CR123 18350 6F22 26650 Battery Holder Storage Box Battery Container Clear Organizer Case - AliExpress
2023 New NITECORE UI2 Portable Dual-Slot USB Charger Outdoor Charging without Li-ion Battery 21700 18650 CR123 18350 14500 26650 - AliExpress
Amazon.com: Thyrm CellVault-18 Rechargeable Battery Storage (Black), Waterproof, for 18650, 18350, CR123 Flashlight Batteries, Made in USA : Electronics
Lithium 18350 Battery Equivalents and Replacements
Plastic Battery Case - 2x 18350 or CR123 | Smoktek.com