E35 Ultimate Edition Upgrade. Fenix knew they had a hit when they first released the E35 flashlight. That's why, as technology progressed, they simply upgraded the hardware while keeping the package the same. The E35 Ultimate Edition features and incredibly bright 1000 lumen maximum output, meaning this light is brighter than massive search lights many times its size! Measuring only 5.1 inches in length, the E35 is compact and light enough to fit in any backpack or glove compartment. Its convenient size and refined ergonomics have contributed to its popularity over the years.