Noctigon M44 Meteor 4*Quad High Power LED Flashlight - LED Flashlights
intl-outdoor.com

Unprotected, high drain 3*18650 batteries (not included) including the flat top and button top work only, 

  • Zak@lemmy.worldM
    1·
    2 years ago

    3*18650 batteries in series, boost driver for both channels

    That’s interesting. 3S batteries and 4S emitters?