Wireless Charging
- Thread starter AndroidDario
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Eclipse2K
Well-known member
False for the most part. The #1 killer of a battery is heat and general discussion was that Qi Chargers create more heat. From my testing with a Tylt Vu Qi Charger the temperature were about the same. There shouldn't be any difference in terms of the batteries life cycle.
Samsung Galaxy Note 3 using Tapatalk
Samsung Galaxy Note 3 using Tapatalk
It is all just rumors to this point with little or no proof. There are lots of reports about the phone gets warmer when charging wireless than connected by the usb port but it isn't a big differences in extra heat on most reports. Some more heat should be expected since a coil inside the phone changes magnetic energy into electric power to charge the battery. This is a good article but doesn't address your point.
Disadvantages of Current Wireless Charging Technology
Disadvantages of Current Wireless Charging Technology
LegalAmerican
Well-known member
I feel like if a manufacturer releases a device listing "Wireless Charging" as a base feature and then they release their own official wireless charger, if a problem did arise they'd probably stand behind it. Maybe that's wishful thinking, but if it was proven to be the cause of a big, widespread issue, I imagine Google would make good on it. I use the Nexus Wireless Charger and love it. I hope it isn't causing issues but I guess we'll see.
There are official standards Wireless Power Consortium. The USA is way behind since it is hard to find any electronic devices in Japan that doesn't have Qi wirelessly charging;
I love the VU charger.. I bought one for my desk at work and enjoyed enough that I got a second one for the home... It doesn't seem to overheat or cause my N5 or N7 to overheat or get even remotely warm at all.... I have read a few reviews that said the charger gets warm or hot....... Why I figured I'd rather just fork out the extra cash and get what seemed like a more higher end charger.... I have not plugged either my N5 or N7 into a USB port for charging in weeks now...
I also make sure that my battery is dead or near dead before I just plop it down on the charger.... It is possible setting it on the wireless charging pad and picking it up all day long letting it just slightly discharge and then slightly charge up again COULD wear the battery out quicker.... So I take mine off the charger in the morning at home and if it's a heavy use day I'll make sure to throw it on the charger at work 2 - 3 hours before I leave so it has a full charge... outside of that I try and leave it off the charger unless it actually needs it.... some times at night it has plenty enough battery that I don't charge it at night and then set it down at work (Since I know I am glued to this desk 8+ hours every day Monday - Friday) I don't like to just top charge unless I know I am going to do something.. I like to run my battery down to 20% or lower before I charge it up (If possible)
Eclipse2K
Well-known member
Lithium Ion batteries would rather be charged than drained. There is no memory for a Lithium Ion so charge to your hearts content. One way or another a Lithium Ion has something like 500 complete charge cycles. That's 0-100 so if you're at 80% you only used 20% of that cycle. Charge it up bud!
Samsung Galaxy Note 3 using Tapatalk
Eclipse2K
Well-known member
There was a discussion on this when the Droid Maxx came out. We noticed more heat or do we thought. Further testing proved plugging it in and wireless were almost the same.
Samsung Galaxy Note 3 using Tapatalk
I found something here http://batteryuniversity.com/learn/article/charging_without_wires
Some interesting results, I guess energy efficiency is lower for sure. Article also says:
Would be good to see some data, which does require long term study though.
Eclipse2K
Well-known member
True. I monitored my temperature when charging with wireless and wired and noticed it was about the same. Wireless was slightly warmer but in no way would this be cause for concern. Now granted this wasn't a formal study or test but it made me feel safe even though I am cautious.
Samsung Galaxy Note 3 using Tapatalk
somebody should do a study for sure, considering Qi charger is getting more attention now.
I did the same.. compare the temp wireless vs wired and the difference was minimal.......
LegalAmerican
Well-known member
I don't get too worried about what could potentially happen from wireless charging. I can tell you this, my S3 got a damaged USB port so I couldn't ever use it. I HAD to do wireless charging. So at least with wireless charging, I know that the USB port isn't getting worn out or damaged......
Not according to the Wireless Power Consortium
Is wired charging more efficient?
" In a study presented during the Wireless Power Summit, Kalyan Siddabattula compared the efficiency of wired and wireless battery chargers.
The surprising conclusion is that wireless chargers can be as efficient as wired chargers"
No idea. Looked around and this is the best I could find Qualcomm? WiPower™ Technology, a product of Qualcomm Technologies, Inc., that is part of another group of wireless charging body called Alliance for Wireless Power Unveils Rezence™ Brand
So looks like Wireless Power Consortium and Alliance for Wireless Power are two different groups with maybe competing standards.
Rezence Brand
Rezence stands for the next generation in wireless charging. Derived from the words resonance and essence, the name represents the the underlying technology along with its ability to charge a variety of electronic devices. Rezence will come to represent flexibility and adaptability, features vital to the growth of wireless power.
Along with the name comes a simple, iconic mark to represent the technology. It references space and power to form a 'Z'. The 'Z' features prominently within various aspects of the new brand. The icon will be found on certified products as a mark of interoperability, and over time, at the places people eat, drink, shop, work, and more, to indicate where flexible, smart wireless charging is available.
Looks like from this article there are three competing groups for wireless standards. So looks like Wireless Power Consortium, Alliance for Wireless Power and Power Matters Alliance, Inc are the three different groups with competing standards.
Wireless Power Consortium symbol is Qi
Alliance for Wireless Power symbol is Z with lighting bolt.
Power Matters Alliance symbol is P only with Two perpendicular rings forming a dynamic ‘Electron P’, surrounded by one circle of power
This one uses the term "next gen" but not sure that is what my first article was talking about.
Alliance for Wireless Power launches 'Rezence' brand for wireless charging
Wireless Power Consortium symbol is Qi
Alliance for Wireless Power symbol is Z with lighting bolt.
Power Matters Alliance symbol is P only with Two perpendicular rings forming a dynamic ‘Electron P’, surrounded by one circle of power
This one uses the term "next gen" but not sure that is what my first article was talking about.
Alliance for Wireless Power launches 'Rezence' brand for wireless charging
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According to AllThingsD, at the Consumer Electronics Show in January, the A4WP plans to demonstrate prerelease phones and chargers with the Rezence technology built in, and hopes to have the products in the market by the first half of next year.
The A4WP supports magnetic resonant charging, which is different from the inductive charging Qi model backed by the WPC and Power 2.0 from the Power Matter’s Alliance (PMA) because the device and charger are less tightly coupled. This allows users to charge multiple devices simultaneously and across short distances. This also means users don't need to place a device in a particular spot and orientation on a specific charging pad. For retailers and other public locations such as airports, the A4WP said Rezence can be easily integrated into existing furniture and surfaces.
In October Qualcomm became a member of all three wireless charging bodies in the hope that by having a foot in the three camps it can harmonize the different standards into a single one. Gary Matos, an Intel worker who serves as director of strategic marketing for the A4WP, said that could soon be at hand.
"Convergence will need to take place," he told AllThingsD. "I suspect it is not going to be too, too far off in the future."
Read more: Alliance for Wireless Power launches 'Rezence' brand for wireless charging - FierceWireless Alliance for Wireless Power launches 'Rezence' brand for wireless charging - FierceWireless
The A4WP supports magnetic resonant charging, which is different from the inductive charging Qi model backed by the WPC and Power 2.0 from the Power Matter’s Alliance (PMA) because the device and charger are less tightly coupled. This allows users to charge multiple devices simultaneously and across short distances. This also means users don't need to place a device in a particular spot and orientation on a specific charging pad. For retailers and other public locations such as airports, the A4WP said Rezence can be easily integrated into existing furniture and surfaces.
In October Qualcomm became a member of all three wireless charging bodies in the hope that by having a foot in the three camps it can harmonize the different standards into a single one. Gary Matos, an Intel worker who serves as director of strategic marketing for the A4WP, said that could soon be at hand.
"Convergence will need to take place," he told AllThingsD. "I suspect it is not going to be too, too far off in the future."
Read more: Alliance for Wireless Power launches 'Rezence' brand for wireless charging - FierceWireless Alliance for Wireless Power launches 'Rezence' brand for wireless charging - FierceWireless
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