Just as an addition to the numbers, yesterday I build up a 1504 host for another member: tail switch spring bypassed+brass top soldered to spring, driver spring bypassed, AK47driver with all 7135 chips removed, replaced by FET, short 18AWG ledwires, dedomed XP-G2 S2 1D on 16mm Noctigon soldered to pill, pill blackened with matt heat resistant paint.
Current just under 4A, throw measured at 5meter distance, with full Keeppower 4200mAh, 30 seconds after switch-on: 428kcd.