EagleTac MX25L4 2850 Lumen Flashlight 4 x 18650 Battery SST-90P LED - NO KITSBT 90 LED offer maximum throw distance, but has has less lumen compared to SST 90, due to the way the LED is optimized for superior far projeting performance. Four brightness levels (SST 90 Regular mode) Led lumen: 28505 2530 1071 210 19 Runtime: 1. 5 4 24 200+ hours (4x18650) 0. 9 2. 7 13 100+ hours (8xCR123A) Two brightness levels (SST 90 Tactical mode) Led lumen: 28505 2530 350 Strobe I Strobe II Runtime: 1. 5 14 hours (4x18650) 0. 9 9 hours