Very few smartphones support reverse wireless charging. Reverse wireless charging also is also slow and relatively inefficient, and we recommend that you use it only when really needed. That is how wireless charging works compared to traditional charging. Would you want wireless charging on your next phone, or are you fine plugging it in? Let us know in the comments.
In , will WhatsApp get the killer feature that every Indian is waiting for? Samsung Galaxy S20 in India? We discussed this on Orbital , our weekly technology podcast, which you can subscribe to via Apple Podcasts or RSS , download the episode , or just hit the play button below. For the latest videos on gadgets and tech, subscribe to our YouTube channel. Wireless Charging is now a feature on nearly every flagship smartphone Wireless charging is convenient but it isn't the fastest Reverse Wireless Charging allows smartphones to charge other devices.
Photo Credit: Belkin So here is what happens when you place a smartphone that is capable of wireless charging on a wireless charging pad. Some wireless chargers have support for multiple devices as well Photo Credit: Samsung Wireless charging is convenient, but it is slow and not very efficient when you compare it to using a cable.
Aditya Shenoy Email Aditya. Best Deals of the Day ». Tech News in Hindi. More Technology News in Hindi. Latest Videos. More Videos. Popular Gadgets. Although wireless charging is used most often for smartphones, the same technology can also be found in other devices. Tablets are also on the list, since they are very similar to smartphones.
In addition, new wearables and smart watches can also be charged wirelessly. There are also household appliances that you can easily charge wirelessly, such as crumb-sweepers and vacuum cleaners. There is also a lot happening in the e-mobility sector. We will return to that topic at the end of this post. The stress level of an average smartphone owner rises proportionately as the battery level decreases.
Isn't it practical in such cases to be able to place your device on a charging pad while enjoying a coffee break and then continuing on a little while later with a charged up battery? Of course a power outlet is needed for wireless charging as well. The charging station draws its power from the electrical grid. Wireless charging is slower than charging with a cable.
And so you have to be careful when using charging stations. The quality can vary, and some of the charging stations on the market could damage your phone. There are many benefits to this wireless technology. Think of electric cars: Rotterdam is experimenting with one particular type of car that is equipped with this technology. But suppose all taxi stands or parking spots were fitted with charging stations: this would enhance the convenience of using electric cars China recently launched a pilot project in which a stretch of motorway generated electric power from solar energy.
Thorough tests were conducted on how electric cars could be recharged using induction. What measures can you take to prevent this from happening? And what should you do if it nevertheless happens? AirFuel has focused on two charging technologies: electromagnetic resonant and radio frequency, which offers the ability to move around a space and still have your mobile device charge. Both technologies offer distinct advantages in terms of spatial freedom, ease of use, and ease of installation — big factors in creating market value and customer satisfaction," said AirFuel spokesperson Sharen Santoski.
As a result, Santoski said, a growing number of coffee shops, restaurants and airport have deployed resonant-based wireless charging stations. AirFuel recently announced a project with the Taoyuan Airport Metro, which is putting Resonant charging in its trains and stations.
And furniture maker Order Furniture has created a new line of Resonant-enabled furniture. Most of these projects are still just pilot programs, Freas said, adding that consumers and businesses are less likely to want tightly coupled charging and more likely to opt for loosely coupled resonant charging That's because loosely coupled charging provides more spatial freedom — the ability to simply drop a phone, tablet or laptop on a desktop and have it charge.
The Dell wireless charger offers up to 30W of charging power, so a Latitude laptop will charge at the same rate as it were plugged into a wall outlet. But WiTricity's main focus is the auto industry. The company, which is part of the AirFuel Alliance, expects a number of electric car manufacturers to announce wireless charging for their vehicles, according to WiTricity CEO Alex Gruzen.
The company's electromagnetic resonant technology allows power to transfer at distances of up to about nine inches away from a charging pad. That would allow electric cars to charge just by parking on top of a large charging pad. For example, Mercedes-Benz this year will roll out Se plug-in hybrid sedans with the ability to use WiTricity's technology; the Se can simply park over a pad and they begin charging even more efficiently than if it were plugged in.
The electric vehicle application is tailor-made for electromagnetic resonant charging, Kesler said. That's because a vehicle doesn't need a charging cable, and the wireless charging pad delivers electricity more efficiently than a cable. This month, Apple surprised some industry watchers by purchasing PowerByProxi , a New Zealand-based company developing loosely-coupled resonant charging technology that's also based on the Qi specification.
PowerbyProxi was founded in by entrepreneur Fady Mishriki as a spin-out from the University of Auckland. PowerByProxi has showcased charging boxes and bowls into which multiple devices can be placed and charged at the same time. The Aukland-based company got its start selling large-scale systems for the construction, telecommunications, defense and agriculture industries. One such product is a wireless control system for wind turbines. PowerByProxi, a member of the WPC's Steering Committee, has also miniaturized its technology and placed it into AA rechargeable batteries, eliminating the need to embed the technology directly into devices.
Apple could use PowerByProxi's technology to expand its use fo wireless charging beyond just smartphones, using it, for instance, to charge TV remote controls, computer peripherals, or any number of devices that require batteries. While the most visible use of wireless charging technology has been in mobile device charging pads, the technology is also making inroads into everything from warehouse robots to tiny IoT devices that otherwise would need to be wired or powered by replaceable batteries.
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