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WiBotic raises USD5.7 million for developing drone wireless chargers business

Wireless drone-charging solutions provider, Seattle-based WiBotic, announced this week it has raised USD5.7 million which the company will use to expand its product offerings and enhance customer support, reports venturebeat.com. CEO Ben Waters says the plan is to grow WiBotic’s sales team over the next few months as the firm expands.

Drones — whether aerial, mobile, or marine — need power. Some operate nearly continuously day and night, pausing only to recharge. WiBotic supplies part of the technology that enable this, from wireless chargers to power optimisation chips for a growing number of autonomous robots. Its technology builds on more than eight years of research at the University of Washington, incorporating inductive and resonant systems in an approach called “adaptive matching” that constantly monitors antenna position and dynamically adjusts hardware and firmware parameters to maintain efficiency.

WiBotic’s kits consist of four components: a transmitter, an antenna coil, an on-board charger unit, and a receiver antenna coil. The transmitter uses any available power to generate a high-frequency wireless signal, which travels through a coaxial cable to the antenna coil, where it produces electrical and magnetic waves. When a drone comes within range, the transmitter recognises its charger unit and receiver coil and automatically ramps up to deliver the right amount of energy — through air, water, or other non-conductive materials.

WiBotic’s wireless charging systems have attracted companies in warehousing, logistics, hospitality and service, security, energy, and defense. Regardless of sector, the systems can be placed throughout worksites to allow fleets of drones to land and charge quickly. They can be embedded into drone garages or hangars, and they’re resistant to dirt, water, and corrosive materials. On the power optimisation side, they support fleet-wide battery status monitoring and smart charging routines, eliminating the need for human monitoring.

On the software side, a network API allows computers on the same network as transmitters to monitor charging and set desired parameters. For example, operators might integrate robot scheduling systems to ensure drones are charged at the highest available power level during the day but more slowly overnight to maximise the lifespan of individual drone’s batteries. As for the on-board API, it lets robots or drone controllers access this charging unit directly to perform the same functions.

All of WiBotic’s systems are designed to offer “many-to-many” operation — in other words, multiple drones can charge from the same transmitter at different times, or a fleet can move within a network of them. In addition to complete systems, WiBotic sells piecemeal transmitters, onboard chargers, and antennas, as well as custom brackets and battery interfaces for drones.

This week’s series A round brings WiBotic’s total raised to over USD7 million. Junson Capital, SV Tech Ventures, Rolling Bay Ventures, Aves Capital, the W Fund, WRF Capital, and others participated in the round, which saw Coolfire Solutions’ Mark Rogers join the board of directors.

WiBotic competes with a number of companies in the aftermarket wireless drone charging market, which BIS Research predicts will climb to over USD249.3 million by 2024. There’s Skysense, which provides both wired and wireless systems for commercial drones, and GET, which develops a network of wireless charging hotspots for drones. And in academia, researchers at Central Queensland University recently investigated approaches to drone-to-drone wireless energy transfers.

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