8 Billion Mobile Devices by 2019, but Can Batteries and Chargers Keep Pace? - David Nagel, THE Journal

The installed base of mobile devices is expected to hit 8 billion worldwide by 2019, according to a new forecast. But can the technologies that power these devices keep pace with this growth? According to ABI Research, which produces market reports and forecasts for the technology sector, there are, at present, about 10 "untethered," rechargeable (i.e., mobile) devices per house in "advanced markets." And this figure is only going to increase. Despite that, both power storage and charging technologies aren't keeping pace at all. "The opportunity is enormous.... The growth in wearables driven by the likes of Samsung and now Apple will increase this number further, along with the Internet of Things, and even electric cars. http://thejournal.com/articles/2014/10/09/8-billion-mobile-devices-by-2019-but-can-batteries-and-chargers-keep-pace.aspx