In the overcrowded world of wireless charging standards, Qi is the incumbent, but it needs to evolve its platform significantly or be overtaken by its two rivals – newly merged and enjoying a major push by Intel. Three organizations have been vying to provide the universal standard for wire-free charging of smartphones and other mobile devices (there are yet more would-be standards for charging other items, such as electric cars, not to mention new technologies emerging from start-ups in this immature and fluid segment). The Alliance for Wireless Power (A4WP) and the Power Matters Alliance (PMA) announced in January that they would merge, and this was formalized this week. They represent the two main technological approaches to wireless charging –…