Originally published on http://www.engadget.com/2014/06/04/rezence-wireless-charging-standard-now-supports-laptops-and-tabl/ Wireless charging is a technology often reserved for smaller devices -- smartphones, watches and electronic toothbrushes -- but that's about to change. The Alliance for Wireless Power (A4WP) just updated its Rezence charging standard to support laptops, tablets and devices requiring up to 50 watts.