Flashlights, searchlights and LED lights: https://www.hurt.com.pl/baterie-alkaliczne-aa-lr6-everactive-pro-alkaline-kartonik-10-sztuk-p15516.html

• luminous flux up to 1800 lumens
  
• very strong focused light with a range of 900m
• built-in COB panel with warning light
• Powerbank function
• floats (IP66)
• Battery level indicator
• power lock, mode memory

original Cree XHP50.2 LED - light strength 1500 lumens
adjustable light beam (focus), range up to 530 meters
waterproof - IPX6

Modern CREE XP-G LED,
light output 500 lumens, 
lock against accidental starting,
made of plastic, degree of protection (IP67),
3 modes of operation,
power supply: Li-ion battery 3.7V 18650 2600mAh,
indication of the battery charge level,
charging via USB-C port.

Light output 500 lumens

Lighting time 30 hours in HIGH mode

Power supply 3 LR6/AA batteries or 3 R20/D batteries (no batteries included)

The lantern is also equipped with a USB port that allows charging devices, e.g. a phone.

• Light output: 222 lumens
• Beam range: 432 meters
• Ingress Protection: IP64
• Housing: Plastic

very efficient diode
light strength 400 lumens