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Will this work in any Surefire using 2 cr123 type batteries. I’m asking if 18650 batteries work in any Surefire that takes two cr123 batteries ? — 1 Answer

by GDD III, from FL, United States Asked on November 30, 2020

Name SureFire Micro USB Lithium Ion Protected 18650 Battery (3.9)
$41.99 $35.99 Save 14%
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Answered by Brandon, member, from UT, United States, on December 22, 2020

This will only work with Surefire models explicitly listed ad Dual Fuel capable. Using an 18650 battery in place of CR123 batteries in non-Dual Fuel lights can cause issues, and will very likely void any warranty provided by Surefire.

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