Hydrogen-Powered Drone Flies 6 Times Longer Than Drones Using Normal Battery Intelligent Energy's hydrogen-powered drones can be airborne for about a couple of hours. A typical drone using a normal battery can fly for up to 20 minutes only. by Sumit Passary
Tech Mysterious Smartphone Maker Offers Intelligent Energy Millions To Develop Battery That Lasts Up To Seven Days by Aaron Mamiit