Never let your phone die! The Nitecore NB5000 power bank has a5,000mAh high capacity battery that can quick-charge an iPhone 11 or a Samsung s10. Embodying all these power in a solid carbon fiber body frame, the NB5K is 32% lighter than conventional power banks, while smaller and thinner than a phone, with a sleek modern minimalist design. The NB5000 is the ultimate portable backup battery charger for road warriors, outdoor enthusiasts who enjoy trail running, hiking or camping, or first responders who are on an extended search and rescue mission. It is also a great additional to your emergency prep kit or bug-out-bag.