LED headlamps (LED headlamps) from Mactronic, Xtar, Petzl, Energizer and others: 18650-26H

Osram P9 LED,
light output up to 1100 lumens (boost mode), 
compact size,
made of aluminum, protection class (IPX4),
5 modes of operation,
power supply: Li-ion battery 3.7V 18650 2200mAh,
battery charge indicator,
charging via USB-C port.

CREE-XP-L V6 LED
light force - 1000 lumens
light range - 150 meters
power supply - Li-ion 18650 battery (not included)
magnetically charging

Light output 4000 lumens,
21700 Li-Ion 5000 mAh battery (included),
Warranty 10 years,
Waterproof magnetic port,
Protection against overheating above +58 °С,
Protection class IP68.

Lattice Power HM diode - light strength 1200 lumens
light range - 115 meters
5 operating modes: high, medium, low, firefly, strobe
switch lock, charge level indicator
Power Supply: 18650 Li-ion battery (included)

Cree XM-L2 U2 LED
Light color: Warm
Light Force-950 lumen
Light Range-145 meters
Power supply-Li-ion 18650 battery (not included)
It can also be used as a manual flashlight