Qi is a standard developed by the Wireless Power Consortium for inductive electrical power transfer over distances of up to 4 cm. Primarily, it’s used for wirelessly charging devices such as smartphones, tablets, and wearable gadgets. The Qi system comprises a charging pad and a compatible device, which is placed on top of the pad, allowing power to be transferred via electromagnetic induction.


The phonetics of the keyword “Qi” is typically pronounced as “chee”.

Key Takeaways

Sure, here you go:“`html

  1. Concept of Qi: Qi, in traditional Chinese culture, refers to the life force or energy flow that is considered vital for maintaining health and vitality. It is a fundamental concept in Chinese medicine and martial arts.
  2. Balancing Qi: The balance and flow of Qi are critical for maintaining health. Disruptions or imbalances in Qi can lead to illness and disease. Acupuncture and Qi Gong are two practices that focus on balancing and maintaining Qi for health and wellness.
  3. Presence of Qi: Qi is believed to be present in everything around us. It’s not restricted to living beings. Inasmuch, activities like Feng Shui, which is all about arranging your environment for optimal flow of Qi, take this energy into account.



Qi, pronounced as “chee”, is an important term in technology as it represents a globally recognized standard for wireless charging, developed by the Wireless Power Consortium. Qi technology ensures seamless compatibility between various devices and wireless chargers. This means that any device, such as smartphones, laptops or tablets, that supports Qi technology, can be charged on any charging pad that also supports Qi, irrespective of the brands. Its salient features like convenience, efficiency, and reduction in the clutter of wires have led to it being widely adopted by leading electronics manufacturers, making it critical to the advancement of wireless charging technology.


Qi (pronounced as “chee”) is an open interface standard that defines wireless power transfer using inductive charging over distances of up to 4 cm (1.6 inches). Developed by the Wireless Power Consortium, it has quickly become a worldwide standard for wireless charging of devices. The purpose of Qi technology is to eliminate the use of physical connectors and cables, providing a convenient and efficient way to charge a wide range of compatible devices, from smartphones to electric vehicles.Qi’s purpose extends to simplifying the process of charging your devices. This technology is not only seen as a beneficial tool for convenience but also a step forward in sustaining the environment by minimizing the number of cables produced. By simply placing your device on a Qi charging pad, your device begins to charge. This can be seen in common devices such as smartphones, tablets, and smartwatches. Its broad application has even extended to furniture and cars, with certain manufacturers integrating Qi into their products. Thus, Qi is used to enhance device utility, reduce clutter, and foster an environment-friendly approach to power consumption.


1. Qi Wireless Charging Pads: Qi wireless charging pads like the Anker Wireless Charger or the Belkin Boost Up Wireless Charging Pad are common examples of Qi technology application in the real world. These pads use Qi technology to transfer energy from the pad to a compatible device, such as a smartphone, without the need for any physical, wired connection.2. Qi-Enabled Smartphones: Many modern smartphones now come equipped with Qi wireless charging capabilities. For instance, Apple iPhones from the iPhone 8 onwards, Samsung’s Galaxy series from the S6 onwards, and various models from Google, LG, Sony, and others support Qi wireless charging.3. Qi Charging in Vehicles: Certain vehicle manufacturers, like Toyota, have integrated Qi wireless charging mats into the consoles of certain car models. With this feature, drivers or passengers can conveniently charge their Qi-enabled devices on the go.

Frequently Asked Questions(FAQ)

Sure, here’s a Frequently Asked Questions (FAQ) section for the technology term: Qi.**Question 1:**What is Qi?**Answer 1:**Qi (pronounced “chee”) is a wireless charging standard that was developed by the Wireless Power Consortium (WPC). It’s widely used for wirelessly charging devices like smartphones, tablets, and wearables.**Question 2:**How does Qi wireless charging work?**Answer 2:**Qi wireless charging works by transferring energy from the charging station to your device through electromagnetic induction. This process involves a power transmitting pad and a receiver, sometimes in the form of a case attached to a mobile device or built into the device itself.**Question 3:**Is Qi charging safe?**Answer 3:**Yes, Qi charging is generally safe. The charging process is designed to stop when the battery is fully charged and temperature sensors will shut it down if there is a risk of overheating.**Question 4:**Does my phone need to be Qi-compatible to use a Qi wireless charger?**Answer 4:**Yes, for a device to be able to charge wirelessly using a Qi charger, it must be Qi-compatible. This could mean the technology is already built into your phone or you may need a special Qi-enabled case or adapter for your phone.**Question 5:**Is Qi charging as fast as wired charging?**Answer 5:**While Qi charging speeds have greatly improved over the years, wired charging is generally faster. However, the convenience and clutter-free experience of wireless charging are its main selling points.**Question 6:**Can Qi charging damage the battery?**Answer 6:**Wireless charging generates heat, and heat over time can affect battery health. However, most modern Qi chargers and devices have safety features built in to prevent overheating, so the risk is minimal.**Question 7:**Can Qi chargers charge multiple devices at once?**Answer 7:**Yes, some Qi chargers are designed to charge multiple devices at once. But each device must be properly positioned over a charging coil and they must all be Qi-compatible. **Question 8:**Are all Qi chargers the same?**Answer 8:**While all Qi chargers use the same basic technology, they can differ in terms of design, power output, number of charging coils, and additional features such as smartphone stands or multi-device charging capabilities.

Related Tech Terms

  • Wireless Charging
  • Inductive Power Transfer
  • Electromagnetic Field
  • Resonant Inductive Coupling
  • Qi-enabled Devices

Sources for More Information


About The Authors

The DevX Technology Glossary is reviewed by technology experts and writers from our community. Terms and definitions continue to go under updates to stay relevant and up-to-date. These experts help us maintain the almost 10,000+ technology terms on DevX. Our reviewers have a strong technical background in software development, engineering, and startup businesses. They are experts with real-world experience working in the tech industry and academia.

See our full expert review panel.

These experts include:


About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

More Technology Terms

Technology Glossary

Table of Contents