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In the ever-evolving world of technology, the distinction between contact-based and contactless wireless charging has become pivotal, with an added layer of confusion thrown into the mix. Wired charging stations are now marketing themselves as “wireless,” blurring the lines between true contactless solutions and those requiring physical contact.

Let’s examine differences between contact-based wireless charging stations and contactless wireless charging. Wireless charging technology enables robots to operate longer, charge faster, and be safer and more reliable. It can also reduce the overheating chances. However, there are also drawbacks — what are they?

Contact-based charging limitations

Amidst the myriad options in wireless charging, the let’s address the pitfalls of contact-based wireless charging:

• Precise docking required: While these contact-based stations may be wireless, they demand accurate device docking and adapter connections, causing frustration and connectivity issues—a stark departure from the seamless experience promised by contactless solutions.
• Space invasion: Contact-based adapters and stations often take up more space, impacting both aesthetics and spatial efficiency. This contrasts sharply with the sleek and unobtrusive nature of authentic contactless charging.
• Wear and tear: Frequent use of connectors in contact-based charging can lead to wear and tear, compromising charging performance over time. Authentic contactless options eliminate this concern by eschewing physical connectors.
• Compatibility conundrum: Different devices may demand specific adapters with contact-based charging, leading to compatibility issues and the necessity for additional accessories. In contrast, true contactless solutions offer a universal and hassle-free experience.
• Maintenance mischief: The mechanical components in contact-based charging may require more maintenance, resulting in higher operational costs. Opting for genuine contactless technology minimizes the need for constant upkeep, providing a more sustainable and cost-effective solution.

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Contactless wireless charging benefits

Contactless wireless charging offers a host of advantages:

• Cord-free convenience: Bid farewell to cords, the hassle of tripping hazards, and the inconvenience of forgetting to charge. Contactless charging liberates you from the entanglements of traditional charging methods.
• Charging without precision parking: With contactless charging, simply place your device on the station, and charging begins seamlessly, eliminating the need for meticulous alignment.
• Reduced vulnerability to damage: With fewer exposed parts, contactless charging minimizes the risk of damage, ensuring a more robust and resilient charging solution.
• All-weather reliability: Contactless charging systems are impervious to snow, ice, and dirt.
• Compact design: Such stations can provide a smaller footprint and improved aesthetics. Their sleek and unobtrusive design can integrate more smoothly into an environment.

Contactless charging versus contact-based charging

How does contactless charging compare with contact-based charging? Most contactless stations boast an impressive array of features:

• Versatile operation: Contactless stations can operate indoors and outdoors, adapting to various environments with ease.
• Safety for all: These stations are designed to be safe for both humans and pets.
• Optimized fleet and battery performance: Contactless technology goes beyond mere charging, enhancing fleet and battery operations.
• Streamlined daily operations: Say goodbye to unnecessary complexities, contributing to extended battery charge and lifespan.
• Universal device compatibility: Compatible with a wide range of devices, these stations offer a universal charging experience.
• Durability: Built from durable materials, contactless stations promise longevity and reliability.
• Flexible installation options: Whether securely attached or elegantly inserted into the ground or wall, these stations promise flexible and secure installation choices.

Robots, drones already use wireless charging

Several companies are already successfully using or working on implementing wireless charging for robots. First, Amazon has worked on delivering packages with aerial drones. The e-commerce giant is planning to implement wireless charging stations.

Amazon‘s drones are designed to operate within a delivery radius of up to 20 miles from their base. The operational range is based on the drone’s battery capacity, taking into account the weight of the package. This effectively means that the drones can only fly in one direction before requiring a recharge.

To address this limitation and ensure seamless delivery operations within the designated working zone, Amazon plans to strategically place wireless charging stations. These stations will enable drones to recharge mid-operation, thereby doubling their effective delivery range without the need for manual intervention.

Also, companies like Starship Technologies have developed delivery robots with wireless charging. Food-delivery robots are equipped with sophisticated electronics enabling them to sense and navigate through complex urban environments. This level of autonomy consumes a significant amount of power, necessitating recharging approximately twice a day.

Businesses employing these delivery robots seek to streamline the recharging process to ensure minimal downtime and continuous operation. Wireless charging stands out as a promising method. This technology allows robots to recharge without manual intervention, can enhance operational efficiency, and reduces the need for physical contacts that can wear out over time or require precise alignment.

The choice for continuous operations

In addition, several pipe-cleaning brands are considering wireless charging for their robots because it’s challenging to constantly retrieve the systems. They need robots that do not need to be removed from pipes for charging, and wireless systems enable robots to be charged directly through the pipes.

This approach aims to streamline maintenance without the labor-intensive process of manually retrieving, charging, and re-deploying the robots. Wireless charging technology could allow charging stations to be installed within the pipe system itself, thereby providing power to the robots as needed and reducing downtime.

Airports are now planning to implement automatic means of moving people around, such as electric carts, which will require automatic wireless charging. This initiative addresses several logistical challenges, including the need to minimize wait times for passengers requiring assistance, reducing congestion in terminal areas, and optimizing the flow of people.

The adoption of automatic electric carts equipped with wireless charging technology could provide continuous operation, ensuring a smoother, more reliable service. In addition, this technology could support an airport’s sustainability goals by reducing reliance on traditional fuel-powered vehicles, contributing to a cleaner, more eco-friendly environment within the airport.

In short, wireless charging stations are needed in places where automation is taking place.

Addressing safety concerns with contactless charging

“But isn’t contactless charging dangerous?” you might wonder. Contactless technology is equipped with advanced intelligence. It can discern when a foreign object is present over the station’s pad transmitter, promptly shutting down to prevent any potential issues.

As we navigate the labyrinth of wireless charging options, it’s crucial to discern between marketing ploys and true innovation. When engaging with a wireless charging provider, inquire specifically about the nature of their product—whether it requires contact or is genuinely contactless.

Embrace the future of technology with true contactless wireless charging, where the promise of a seamless, efficient, and aesthetically pleasing charging experience is fulfilled.

About the author

Roman Bysko is co-founder and CEO of Meredot, a wireless charging technology company based in Lake Oswego, Ore., and Riga, Latvia. Meredot was founded in 2017 by a group of engineers and scientists who wanted to prove that wireless charging can be at least as efficient, faster and more convenient than the cable-based charging process.

Today, Meredot provides not only wireless charging technology but also already green solutions to wirelessly charge mobility, micro-mobility transport, robots and drones. The company claimed that its proprietary wireless chargers combine hardware and software for ultra-scalable, reliable, and manageable charging of electric vehicle and low-emision vehicles (LEVs).