Laser-based wireless power transfer opens the door to a new world.
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According to an official press release from Ericsson, during this demonstration, the two parties successfully activated a fully “powerless” Ericsson Streetmacro 6701 5G millimeter-wave base station—without drawing power from the street grid and without relying on on-site power generation—using PowerLight Technologies’ laser technology. The demonstration achieved energy transmission of 480 watts over a distance of 300 meters (985 feet).
The system consists primarily of two components: a transmitter and a receiver. The power at one end of the transmitter is used to generate a powerful beam of light, which is then sent to the receiver. The receiver employs a specialized photovoltaic array to capture this beam, which in turn converts the incoming photons into electrical energy, capable of powering any device connected to it.
Kevin Zvokel, Head of Networks at Ericsson North America, stated that the laser-beam wireless power transmission solution can safely transmit electricity over long distances without requiring connection to the power grid. This eliminates the obstacles posed by battery site selection during network deployment, significantly reducing deployment time and enhancing flexibility.
Claes Olsson, Executive Chairman of PowerLight Technologies, noted that most people are already aware that wireless charging technology has been adopted in small electronic devices such as mobile phones and smartwatches. However, the demonstration by Ericsson and PowerLight Technologies represents a groundbreaking achievement—a crucial step toward the commercialization of safe, wireless power transmission on a larger scale. Moreover, PowerLight Technologies is currently developing a system that, within the next few years, will enable secure, wireless power transmission over distances of several kilometers.
This wireless transmission system from Ericsson and PowerLight Technologies replaces power cables, enabling operators to quickly deploy base station sites to a certain extent. It is particularly well-suited for the rapid deployment of urban pole-mounted stations and micro-stations, making it ideal for temporary scenarios such as emergency communications support or situations requiring intensive capacity during specific periods. In addition, it can conveniently provide power to various IoT devices, including unmanned AGVs, drones, and sensors.
Power supply, transmission, technologies, powerlight, wireless, Ericsson, electricity, system, receiver
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Laser-based wireless power transfer opens the door to a new world.
Laser-based wireless power transfer opens the door to a new world.
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