Mactronic LED handheld flashlights with batteries, Ni-MH or Li-ion rechargeable batteries: https://allegro.pl/oferta/rayovac-extra-312-emf-pr41-baterie-sluchowe-60-szt-8360257712

New version, charging from USB-C port
3 colors of light (white, red, green)
Strong metal housing
Battery operated

Cree XM-L2 diode - 600 lumens 
focus - light beam adjustment
silent switch, aerospace aluminum housing
power supply: 3x R03 / AAA
3 operating modes : 100%, 25%, strobe

new version, charging from USB-C port
focused and diffused light
adjustable lighting power
Strong metal housing
Battery operated

4 CREE XHP70.2 LEDs - luminous strength 11,600 lumens
6 operating modes: 11 600lm, 5000lm, 1500lm, 600lm, 180lm, 8Hz strobe
aerospace aluminum housing
battery charge indicator
Power Supply: 7.4V 7800mAh Li-ion Package (Included)
AC charger included

certified LED flashlight designed for potentially explosive atmospheres
designation Ex Atex: I M1 Ex ia I Ma / II 1G Ex ia IIC T4 Ga Sira 15ATEX 2166X
light force - 323 lumens
lighting time up to 13 hours
power supply - 4x AA/R6

diode Osram P8
Light strength: 135 lumens
2 operating modes : 100%, 30%
focus function - adjustment of the focus of the light beam
power supply: 1 x AA / R6

certified LED flashlight designed for potentially explosive atmospheres
Atex designation: II 1 G Ex ia IIC T4 IP67 DEMKO 13 ATEX 1205039X Rev. 3
Light source: XP-G2 LED
Light strength: 180 lumens
power supply: 4x AA (included)
IP rating: IP 67