In the past few years, we have experienced a dramatic rise in the number of electronic devices-cell phones, digital cameras, laptops, etc.-that we use in our everyday lives. Most of these devices are powered by batteries which need to be recharged very often. The costs, resources and management of multiple, incompatible power cords, bricks, etc. are already a nightmare for the typical user. WREL, in contrast to surface-based systems (-power pads‖), demonstrates wireless power transfer whose efficiency can be nearly independent of orientation, distance, and load over a wide range of operating conditions. This technology could allow people to cut that last cord.

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