FENIX UC30 USB Rechargeable 960 Lumen Cree XM-L2 U2 multi battery type compatible LED Flashlight with, 2600mAh rechargeable battery, USB charging cable and 2 X EdisonBright lithium CR123A back-up batteries bundle 960 Lumen max using Cree XM-L2 (U2) LED with a lifespan of 50,000 hours USB Rechargeable; Genuine Fenix 18650 rechargeable 18650 Li-ion battery included. Side switch on the head for output selection Uses one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries Bundle includes two EdisonBright CR123A lithium back-up batteries