This thread has the info on different battery sizes.
Features from Prototype: • Single Osram CULNM1.TG • Max output 1000 lumens ; • Light Intensity: 125 000cd , 700meters • With RGB Auxiliary LEDs • Battery type: 22430 / 18350 (short body) 21700 / 18650 (Long body) • Built-in USB Type-C 2A fast charging • High efficiency 6A Constant Current Buck driver ; Efficiency > 93% • Made of 6063-T6 aluminum, Type III hard coat anodizing • High efficient 3.6 Degree TRI Optics; Up to 138cd/LM • Ultra Clear AR Coating Glass lens • Stainless steel …