Rechargeable Battery: Customized 14500 lithium-ion battery that integrates a Type-C charging interface. High Performance: The rechargeable version of i5T EOS with stronger performance, delivering a max output of 350 lumens and a max throw of 64 meters. Smooth Operation: Access momentary on and shift between modes (15~350 lumens) with a non-slip tactical tail switch. Ergonomic Design: Double helix body knurling for an attractive appearance, unique style, excellent ventilation, and solid grip. Compact & Lightweight: With 2.12 oz in weight and 95.4 mm in length, it takes up little space.