18650 battery sleeve for 3x AAA flashlights like UltraFire C8

18650 battery sleeve for 3x AAA flashlights like UltraFire C8

thingiverse

I made this sleeve for my old UltraFire Q5 flashlight (model U4-MCU, same shape as C8) Since a few days, instead of 3x AAA, I started to use an 18650 battery. However, I lost the original sleeve so I created this one. Please ensure that your flashlight is capable of running of an 18650 battery. Inner diameter of the sleeve is 19mm, outer diameter is 22mm

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