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Wireless charging seems to be a new and fashion technology, cool and modern. But truthfully , this technology has been used for over 100 years in other areas, sure you’ve heard its name: TRANSFORMER
How does a transformer work? I’m sure you’ve learned on your physical class. Don’t remember? OK, check the picture below, it’ll help you understand.
This is a simple sketch map for the theory of transformer. Power transfer in 3 steps Electricity à Magnetic à Electricity. This is exactly how wireless charge works.
We have a transmitter and a receiver in every wireless charge situation. Only they are separated in a charge pad(transmitter) and a cellphone(receiver).
This seems simple, but it’s not. The most important places in this technology are:
1. Power --- transfer enough power for loader
2. Distance --- increase transfer distance
3. Efficiency --- decrease waste energy
4. Target --- recognize transfer target
5. Heat --- decrease heat while transfer
We now can get wireless power in a few situations, such as some electric vehicle, and cellphones. We believe that in the future, thank to our scientists and engineers’ brilliant idea and hard working, we may get rid of all cables and have unlimited power.
Related
Since the dawn of the smart phone, these little power houses are crammed with more processor speeds and memory than a desktop computer.
All the while, these little hot suckers are totally dependent on 'PASSIVE' cooling.
Right now, i'm sporting a very stylish T-Mobile G2 from HTC. I use my phone for everything under the sun. I'm thinking about using it for frying my eggs for a meal, because sometimes, my little phone get so HOT while using it for navigation, and various other tasks that tax the battery and GPS, it's almost unbearable to touch.
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I purchased a mobile phone holder for my bike (ON AMAZON HERE) which works EXCELLENT! Except, its not allowing my phone to breath. I like the fact it's weather proof, but at a price of a over-heated device.
I'm thinking about hacking this case, and installing a small CPU fan attached to a solar panel for power. Which I would have to drill holes in the front somewhere to allow the air to flow over my phone.
I wish someone can make a case out of heat dispersion technology found with something like what they sell here. http://thermapak.com/
Any links to another product or any ideas?
I want something that will plug directly into a micro USB phone. I'm aware of the multitudes of this design:
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I had one, thought it was garbage, it made an irritating noise both charging and discharging, its connection was hit and miss as bumping it might disconnect it, and eventually less than 6 months later it stopped working. It was advertised as a 2800mAh but its charge was extremely poor. Yet, those are the only type of chargers I can find, all from various companies using the exact same design.
The Motorola P790 is ideally the type of thing I'm looking for, it even comes with a slide out USB so it can't get damaged, but it's no good since it's a mini USB and would require packing around cords:
I'm not looking for a mega charger, one charge or so is fine as I'm not trying to carry around more than a second phones weight in a charger. I find it extremely odd that with so many phones out there, there hasn't been a decent micro USB charger without cords that I can find.
Does anyone have any suggestions?
Today I am going to review LDesign Wireless Charger which is very convenient serving it's purpose. It is very light with a beautiful round shape and looks nice too. It has a micro usb port to connect to the charger, all one has to do is place the phone on the charging pad. It has non-slipping pads under so stays on the surface and holds it position. The charging pad also has non slipping ring set so holds the phone well.
Product Features:
Better temperature control
Charges as fast as wired chargers
Simple way to charge, just place it in the charging surface
Light indicators, when fully charged light turns off
Never overcharges phone
Adopted with the 3rd generation NPO
Technical Parameters:
Number of coils - 1
Charging distance - <5mm
Input voltage - DC 4.6~5.5V
Input current - 500~2000mA
Driven load - <=5W
Chanrging efficiency - 80%
Operating temperature - 0*C-40*C
Humidity range - 45-85% RH
Pictures:
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Hello again! So you might know by now I am always in the market for power supplies that will trigger fast charge on a Nexus 6P, Google Pixel or Pixel 2 device! Well I found this cigarette lighter adaptor from Bestek that supplies more than 2.4Amp to the USB port plus has 2 additional cigarette lighter female sockets for more connections!
There are some better pictures on ebay than I could possibly take, but found it for a much lower price on Amazon if you are interested in snagging one of these.
I just upgraded to a Pixel 2XL and was very interested in how well it can charge my new device. I was unaware that the Pixel 2XL actually kicks into charge overdrive when you turn off the screen. So it took a while to capture this image showing it supplying 2.7 Amps!
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Add to this, the capability of supplying almost 5 Amps total, and being able to switch each side off and on independently! You have a 12V cigarette lighter socket and USB port per side! Plus you have a display telling you how much current is being used! You can't beat this for the price!
So I was checking the specs for the phone before buying and everybody says that it doesn't officially support wireless charging. So I wanted to know if somebody has managed to make wireless charging work. I have seen a couple of videos for phones that don't support it either charging wirelessly with NFC. Sorry for the noob question, just wanted to make sure because I haven't used wireless charging before.
I don't think you can. The hardware isn't set up for wireless charging. I'd recommend not trying things that could put your phone in danger.
Buddy, if the specification says that it doesn't work, then it doesn't work. No matter who made which videos. There are external wireless charging options that are placed under the TPU bumper, but the USB-C port is always blocked.
Some semi-wireless, though unsure about the safety or usefulness.
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Keyword is : Magnetic Type C cable
Okay then it's not worth exploring. Thanks a lot guys
It's not got a wireless charging coil so the answer is no wireless charging
The closest thing is a QI receiver but you will lose the usefulness of usb c while you use it and I don't know if there is any certified with any quality certificate.
ain't worth it anyways imo