EdisonBright Nitecore TM16 4000 Lumen CREE LED Flashlight/Searchlight, i4 charger, 4 X Nitecore NL183 18650 Li-ion batteries, Smith & Wesson LED flashlight, w/4 x AA Alkaline batteries bundle Max output of 4000 Lumen using 4 X CREE XM-L2 U2 Powered by 4 X 18650 batteries Advanced Temperature Regulation (ATR) technology Dual-switch user interface ensures one-handed easy operation This bundle includes Nitecore i4 charger, 4 X Nitecore NL183 18650 Li-ion batteries, Smith & Wesson LED flashlight, w/4 x EdisonBright AA Alkaline batteries