Specification: Brand ZMI LPB02 Battery Lithium Ion Battery Lumen 500lm (maximum), 450lm (typical) Battery capacity 17.28 Wh / 18 Wh 3.6V4800m Ah / 5000m Ah Rated Capacity 2700m Ah (5V / 1.5A) Input interface USB (Universal Serial Bus)-COutput Interface USB (Universal Serial Bus)-AOperating temperature 5℃-35℃ Charging time About 3.5 hours Size 137.3 x 28 x 28mm Feratures: High quality aluminum alloy case.IPX6 waterproof design, multiple protection. Two-way fast charge charging design.5000m Ah large capacity.5modes, SOS emergency design. Lightweight & compact design. Package included:1 x ZMI LPB02 Waterproof 5000m Ah Power Bank Flashlight 1 x Diffuser 1 x USB (Universal Serial Bus)-C charging cable 1 x Instruction manual 1 x Lanyard