2x 21700 to 3C Cell Battery Sleeve for Maglite

-Converts 3C cell Maglight flashlight to use  2x 21700 li-ion rechargeable batteries (Batteries Not included)

-Ideal for use with Lumencraft 4,800 lumen bulb (you will also need our "C" ring adapter to make that bulb fit your light)

-O ring for a snug fit.

-Protected 21700 cells are recommended to prevent over discharge of the li-ion batteries.

-Not for use with factory LED 3C Maglites (The voltage would be too high)