JETBeam III M R5 XP-G Cree led flashlight :

Intelligent circuitry accepts both lithium cr123 and Li-ion 18650 batteries, providing high output and long run times.

J2ledflashlight.com
Intelligent circuitry accepts both lithium cr123 and Li-ion 18650 batteries, providing high output and long run times.
J2ledflashlight.com