Qi technology: wireless charging explained simply

Qi technology is one of the most remarkable innovations of recent years, offering a cable-free way to charge your devices.

Explore our guide to see how it works, which products are compatible, and the key benefits of wireless charging.

What is Qi technology?

Qi technology is a groundbreaking innovation that powers wireless charging through electromagnetic induction, enabling devices to charge simply by touching a charging station.

At its core, magnetic induction allows energy to transfer seamlessly between a transmitter and a receiver, eliminating the need for cables. 

Qi is universal and compatible across devices, meaning any Qi-enabled device can charge on any Qi charger, regardless of the brand.

This technology simplifies charging and adds versatility, freeing you from the hassle of dedicated cables.

Qi technology is now widely used in smartphones, smartwatches, and wireless earbuds, and it’s increasingly being integrated into furniture, vehicles, and public spaces—bringing wireless charging into more aspects of everyday life.

Is wireless charging the same as Qi?

Wireless charging is a general term for transferring energy without cables, using technologies like magnetic induction or electromagnetic resonance. This can be achieved through various standards or protocols, including Qi, Powermat, and other proprietary systems.

Among these, Qi—developed by the Wireless Power Consortium (WPC)—is the most widely used and globally recognized standard. 

Its broad adoption ensures compatibility between devices and chargers from different manufacturers.

Qi primarily uses electromagnetic induction to transfer energy, making it perfect for everyday devices. Its versatility has established it as a key player in the wireless charging ecosystem.

How does Qi wireless charging work?

Qi wireless charging uses electromagnetic induction to transfer energy, enabling devices to charge without cables or physical connectors.

The system consists of two main components:

• the transmitter, the charging station;
• the receiver, the device being charged.

Here’s a simple step-by-step look at how it works: 

• Magnetic field generation: the Qi charging station, equipped with a coil, creates an alternating magnetic field when powered by electricity.

• Energy transfer: when a compatible device—such as a smartphone, earbuds, or smartwatch—is placed on the charging base, a second coil inside the device captures the magnetic field from the transmitter.

• Electromagnetic induction: the device’s coil converts the magnetic field into an electric current, which powers the internal battery.

Qi technology includes built-in communication between the transmitter and receiver to maximize efficiency, regulate temperature, and prevent overcharging or overheating.

The energy transfer occurs across a very short distance, requiring precise alignment of the coils for proper charging.

As noted earlier, any Qi-compatible device can charge on any Qi-enabled station, regardless of the brand.

Newer versions of the Qi standard also support fast charging, significantly reducing charging times.

Benefits of Qi wireless charging

Here’s a closer look at the key advantages of this innovative technology:

• effortless convenience: no need for specialized cables or connectors—place your device on the charging pad, and it powers up instantly.
• enhanced safety: by eliminating cables and power adapters, Qi reduces fire risks. Built-in safety features like foreign object detection, temperature control, and overload protection add an extra layer of security.
• universal compatibility: with more manufacturers embracing Qi technology, you can charge multiple devices using the same pad, regardless of the brand.
• less wear and tear: charging ports experience less strain, and there’s no need to frequently replace damaged cables, a frequent issue with traditional charging methods.

Power strips with Qi wireless charging

ASA Plastici offers a range of innovative solutions designed for seamless Qi-compatible wireless charging, perfect for both home and workplace environments.

Here are a few examples that combine style and functionality:

• VersaDot a recessed power strip for furniture crafted with premium materials and a refined design, and also available with Qi wireless charging for enhanced convenience.

• VersaCharger : a discreet Qi-compatible wireless charger with a slim design and refined finishes, ideal for offices, kitchens, and waiting areas.

• VersaQ: a compact, stylish module that integrates seamlessly into co-working spaces, executive rooms, and meeting tables. It features advanced charging options, including USB-A and USB-C ports, with the option to add Qi wireless charging—offering a versatile solution for modern needs.

Tips for using Qi wireless charging effectively

To get the most out of Qi wireless charging, follow these simple guidelines:

• remove interfering cases: take off any phone cases or covers that might block energy transfer. Opt for slim, Qi-compatible cases if needed;

• keep the charging pad clean: wipe the pad regularly to prevent dust buildup that could affect performance;
• use certified products: stick to certified Qi chargers and devices to ensure safety and optimal efficiency;
• avoid interference: keep the charging pad away from metal objects or electronic devices that could disrupt the magnetic field;
• check compatibility: make sure your device supports Qi wireless charging before use;

How to use Qi charging and confirm your device is charging

It’s important to check if your device supports Qi technology before charging. Refer to the user manual or product specifications to confirm compatibility.

In the case of smartphones or tablets, place the device on the charging pad, and it will start charging automatically. Some devices, like wireless earbuds, may require a bit more attention. Ensure they are properly placed in the designated spots on the charger. No additional setup is needed.

 What if your device isn’t Qi-compatible? You can use an external receiver that connects to your device through a USB-C, micro USB, or Lightning port.

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Qi2: the future of wireless charging

Qi2 is the next generation of the Qi standard, created to meet the growing demands for connectivity and sustainable solutions.

It isn’t just an upgrade—it’s a groundbreaking leap forward in wireless charging technology.

With support for triple the power of its predecessor, Qi2 boosts charging capacity from 5W to 15W, outperforming even top competitors. 

Qi2 chargers also feature a magnetic system that ensures faster and more precise alignment with the charging base, significantly speeding up energy transfer.

This technology doesn’t just make charging simpler—it’s a step forward toward a more practical, connected, and sustainable future.

By blending innovation with convenience, Qi2 is transforming how we interact with technology in our daily lives. All ASA products are fully compatible with the Qi2 charging standard.